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122010102210020 = 2256100505110501
BaseRepresentation
bin11011101111011110110000…
…110011010001110111100100
3121000000001101210201022211012
4123233132300303101313210
5111443003142131210040
61111254400035201352
734461640034102453
oct3357366063216744
9530001353638735
10122010102210020
113597021499a9a2
1211826460446258
1353106708b6bbb
14221b46b48ab9a
15e18b69480865
hex6ef7b0cd1de4

122010102210020 has 12 divisors (see below), whose sum is σ = 256221214641084. Its totient is φ = 48804040884000.

The previous prime is 122010102210019. The next prime is 122010102210089. The reversal of 122010102210020 is 20012201010221.

It can be written as a sum of positive squares in 2 ways, for example, as 15317564302756 + 106692537907264 = 3913766^2 + 10329208^2 .

It is a junction number, because it is equal to n+sod(n) for n = 122010102209977 and 122010102210004.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3050252555231 + ... + 3050252555270.

It is an arithmetic number, because the mean of its divisors is an integer number (21351767886757).

Almost surely, 2122010102210020 is an apocalyptic number.

122010102210020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

122010102210020 is an abundant number, since it is smaller than the sum of its proper divisors (134211112431064).

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

122010102210020 is a wasteful number, since it uses less digits than its factorization.

122010102210020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6100505110510 (or 6100505110508 counting only the distinct ones).

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

Adding to 122010102210020 its reverse (20012201010221), we get a palindrome (142022303220241).

The spelling of 122010102210020 in words is "one hundred twenty-two trillion, ten billion, one hundred two million, two hundred ten thousand, twenty".

Divisors: 1 2 4 5 10 20 6100505110501 12201010221002 24402020442004 30502525552505 61005051105010 122010102210020