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102220021201200 = 24352717715826479
BaseRepresentation
bin10111001111011111110100…
…000011010111100100110000
3111101221010202000212110120120
4113033133310003113210300
5101344233100411414300
61001223121321410240
730350103263042310
oct2717376403274460
9441833660773516
10102220021201200
112a6302a4108a31
12b56ab12339980
1345063ca8b81a6
141b356927c7440
15bc3e9d7793a0
hex5cf7f40d7930

102220021201200 has 240 divisors, whose sum is σ = 396235726433280. Its totient is φ = 21990189404160.

The previous prime is 102220021201189. The next prime is 102220021201253. The reversal of 102220021201200 is 2102120022201.

It is a tau number, because it is divible by the number of its divisors (240).

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a self number, because there is not a number n which added to its sum of digits gives 102220021201200.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 357770440 + ... + 358056039.

It is an arithmetic number, because the mean of its divisors is an integer number (1650982193472).

Almost surely, 2102220021201200 is an apocalyptic number.

102220021201200 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

102220021201200 is an abundant number, since it is smaller than the sum of its proper divisors (294015705232080).

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

102220021201200 is a wasteful number, since it uses less digits than its factorization.

102220021201200 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 715826524 (or 715826513 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 15.

Adding to 102220021201200 its reverse (2102120022201), we get a palindrome (104322141223401).

The spelling of 102220021201200 in words is "one hundred two trillion, two hundred twenty billion, twenty-one million, two hundred one thousand, two hundred".