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122122010001020 = 225192313972770023
BaseRepresentation
bin11011110001000110111111…
…000001100111111001111100
3121000101202020211222010110012
4123301012333001213321330
5112001321334030013040
61111422024335402352
734503011152452011
oct3361067701477174
9530352224863405
10122122010001020
1135a03720a27687
12118440920833b8
13531b096414903
142222a45ba5708
15e1ba18cc4865
hex6f11bf067e7c

122122010001020 has 48 divisors (see below), whose sum is σ = 281691043683840. Its totient is φ = 44265735429696.

The previous prime is 122122010000999. The next prime is 122122010001029. The reversal of 122122010001020 is 20100010221221.

It is a junction number, because it is equal to n+sod(n) for n = 122122010000986 and 122122010001004.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (122122010001029) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6986376272 + ... + 6986393751.

It is an arithmetic number, because the mean of its divisors is an integer number (5868563410080).

Almost surely, 2122122010001020 is an apocalyptic number.

122122010001020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

122122010001020 is an abundant number, since it is smaller than the sum of its proper divisors (159569033682820).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

122122010001020 is a wasteful number, since it uses less digits than its factorization.

122122010001020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13972770074 (or 13972770072 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 14.

Adding to 122122010001020 its reverse (20100010221221), we get a palindrome (142222020222241).

The spelling of 122122010001020 in words is "one hundred twenty-two trillion, one hundred twenty-two billion, ten million, one thousand, twenty".

Divisors: 1 2 4 5 10 19 20 23 38 46 76 92 95 115 190 230 380 437 460 874 1748 2185 4370 8740 13972770023 27945540046 55891080092 69863850115 139727700230 265482630437 279455400460 321373710529 530965260874 642747421058 1061930521748 1285494842116 1327413152185 1606868552645 2654826304370 3213737105290 5309652608740 6106100500051 6427474210580 12212201000102 24424402000204 30530502500255 61061005000510 122122010001020