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212110122201020 = 22510605506110051
BaseRepresentation
bin110000001110100110111100…
…011111001010111110111100
31000211000112022010001121000122
4300032212330133022332330
5210300203012240413040
62031042013412314112
762451310363516631
oct6016467437127674
91024015263047018
10212110122201020
116164844131273a
121b958442912938
139147b8b593354
143a54282b16188
15197c70eb951b5
hexc0e9bc7cafbc

212110122201020 has 12 divisors (see below), whose sum is σ = 445431256622184. Its totient is φ = 84844048880400.

The previous prime is 212110122200959. The next prime is 212110122201031. The reversal of 212110122201020 is 20102221011212.

It is a self number, because there is not a number n which added to its sum of digits gives 212110122201020.

It is a congruent number.

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, 5302753055006 + ... + 5302753055045.

It is an arithmetic number, because the mean of its divisors is an integer number (37119271385182).

Almost surely, 2212110122201020 is an apocalyptic number.

212110122201020 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

212110122201020 is an abundant number, since it is smaller than the sum of its proper divisors (233321134421164).

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

212110122201020 is a wasteful number, since it uses less digits than its factorization.

212110122201020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10605506110060 (or 10605506110058 counting only the distinct ones).

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

Adding to 212110122201020 its reverse (20102221011212), we get a palindrome (232212343212232).

The spelling of 212110122201020 in words is "two hundred twelve trillion, one hundred ten billion, one hundred twenty-two million, two hundred one thousand, twenty".

Divisors: 1 2 4 5 10 20 10605506110051 21211012220102 42422024440204 53027530550255 106055061100510 212110122201020