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2120210132212 = 221131632176549
BaseRepresentation
bin11110110110100110010…
…111110010110011110100
321111200122002102021200001
4132312212113302303310
5234214142243212322
64302002221201044
7306115532524564
oct36664627626364
97450562367601
102120210132212
117481a3389397
122a2ab2100184
13124c20142813
1474893a94da4
153a24163e827
hex1eda65f2cf4

2120210132212 has 36 divisors (see below), whose sum is σ = 3766329497700. Its totient is φ = 1044271533312.

The previous prime is 2120210132171. The next prime is 2120210132213. The reversal of 2120210132212 is 2122310120212.

It can be written as a sum of positive squares in 2 ways, for example, as 356296772836 + 1763913359376 = 596906^2 + 1328124^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 2120210132212.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2120210132213) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 11920914 + ... + 12097462.

It is an arithmetic number, because the mean of its divisors is an integer number (104620263825).

Almost surely, 22120210132212 is an apocalyptic number.

It is an amenable number.

2120210132212 is a deficient number, since it is larger than the sum of its proper divisors (1646119365488).

2120210132212 is a wasteful number, since it uses less digits than its factorization.

2120210132212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 176992 (or 176827 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 19.

Adding to 2120210132212 its reverse (2122310120212), we get a palindrome (4242520252424).

The spelling of 2120210132212 in words is "two trillion, one hundred twenty billion, two hundred ten million, one hundred thirty-two thousand, two hundred twelve".

Divisors: 1 2 4 113 163 226 326 452 652 18419 26569 36838 53138 73676 106276 176549 353098 706196 3002297 6004594 12009188 19950037 28777487 39900074 57554974 79800148 115109948 3251856031 4690730381 6503712062 9381460762 13007424124 18762921524 530052533053 1060105066106 2120210132212