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10212211200020 = 2252931742698157
BaseRepresentation
bin1001010010011011011100…
…1110001001000000010100
31100011021111120001011122012
42110212313032021000110
52314304102031400040
633415231451323352
72102544053650454
oct224466716110024
940137446034565
1010212211200020
113287a79a99565
12118b240a50558
135910132b832b
142743b8cc7d64
1512a99a455865
hex949b7389014

10212211200020 has 24 divisors (see below), whose sum is σ = 21518836854984. Its totient is φ = 4070942892416.

The previous prime is 10212211199951. The next prime is 10212211200041. The reversal of 10212211200020 is 2000211221201.

It can be written as a sum of positive squares in 4 ways, for example, as 588740082436 + 9623471117584 = 767294^2 + 3102172^2 .

It is a junction number, because it is equal to n+sod(n) for n = 10212211199968 and 10212211200004.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 871343219 + ... + 871354938.

It is an arithmetic number, because the mean of its divisors is an integer number (896618202291).

Almost surely, 210212211200020 is an apocalyptic number.

10212211200020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

10212211200020 is an abundant number, since it is smaller than the sum of its proper divisors (11306625654964).

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

10212211200020 is a wasteful number, since it uses less digits than its factorization.

10212211200020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1742698459 (or 1742698457 counting only the distinct ones).

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

Adding to 10212211200020 its reverse (2000211221201), we get a palindrome (12212422421221).

The spelling of 10212211200020 in words is "ten trillion, two hundred twelve billion, two hundred eleven million, two hundred thousand, twenty".

Divisors: 1 2 4 5 10 20 293 586 1172 1465 2930 5860 1742698157 3485396314 6970792628 8713490785 17426981570 34853963140 510610560001 1021221120002 2042442240004 2553052800005 5106105600010 10212211200020