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212102000220000 = 25354111627197521
BaseRepresentation
bin110000001110011111011000…
…011000010001011101100000
31000210222202100002010012121210
4300032133120120101131200
5210300034344024020000
62031034151434150120
762450602202024652
oct6016373030213540
91023882302105553
10212102000220000
1161644a53700130
121b956956882340
1391471959b1717
143a53b121786d2
15197c3d6b02350
hexc0e7d8611760

212102000220000 has 480 divisors, whose sum is σ = 759456136543104. Its totient is φ = 51386803200000.

The previous prime is 212102000219957. The next prime is 212102000220031. The reversal of 212102000220000 is 22000201212.

It is a tau number, because it is divible by the number of its divisors (480).

It is a Harshad number since it is a multiple of its sum of digits (12).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 79 ways as a sum of consecutive naturals, for example, 1073721240 + ... + 1073918760.

Almost surely, 2212102000220000 is an apocalyptic number.

212102000220000 is a gapful number since it is divisible by the number (20) 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 212102000220000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (379728068271552).

212102000220000 is an abundant number, since it is smaller than the sum of its proper divisors (547354136323104).

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

212102000220000 is a wasteful number, since it uses less digits than its factorization.

212102000220000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 199192 (or 199169 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 12.

Adding to 212102000220000 its reverse (22000201212), we get a palindrome (212124000421212).

The spelling of 212102000220000 in words is "two hundred twelve trillion, one hundred two billion, two hundred twenty thousand".