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102212012021120 = 2751722399230353
BaseRepresentation
bin10111001111011000010110…
…101010110001010110000000
3111101220101001212011221222022
4113033120112222301112000
5101344120200034133440
61001215314453101012
730346400641116131
oct2717302652612600
9441811055157868
10102212012021120
112a627964140441
12b569458027768
1345057224ac791
141b35132c0dc88
15bc3b80568cb5
hex5cf616ab1580

102212012021120 has 192 divisors, whose sum is σ = 259678985616000. Its totient is φ = 38463609372672.

The previous prime is 102212012021107. The next prime is 102212012021177. The reversal of 102212012021120 is 21120210212201.

It is a Harshad number since it is a multiple of its sum of digits (17).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 443603864 + ... + 443834216.

It is an arithmetic number, because the mean of its divisors is an integer number (1352494716750).

Almost surely, 2102212012021120 is an apocalyptic number.

102212012021120 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 102212012021120, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (129839492808000).

102212012021120 is an abundant number, since it is smaller than the sum of its proper divisors (157466973594880).

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

102212012021120 is a wasteful number, since it uses less digits than its factorization.

102212012021120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 232805 (or 232776 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 17.

Adding to 102212012021120 its reverse (21120210212201), we get a palindrome (123332222233321).

The spelling of 102212012021120 in words is "one hundred two trillion, two hundred twelve billion, twelve million, twenty-one thousand, one hundred twenty".