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20120122102102 = 21131142720673893
BaseRepresentation
bin1001001001100100101001…
…01110110001000101010110
32122020110112220101112202021
410210302110232301011112
510114122002224231402
6110443020111403354
74144426245032041
oct444622456610526
978213486345667
1020120122102102
11645799443a290
12230b4b822355a
13b2c41c87ca69
144d7b678a9c58
1524d585909d37
hex124c94bb1156

20120122102102 has 32 divisors (see below), whose sum is σ = 34009713368064. Its totient is φ = 8844290997600.

The previous prime is 20120122102099. The next prime is 20120122102139.

It is a happy number.

20120122102102 is nontrivially palindromic in base 10.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 9363733 + ... + 11310160.

It is an arithmetic number, because the mean of its divisors is an integer number (1062803542752).

Almost surely, 220120122102102 is an apocalyptic number.

20120122102102 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

20120122102102 is a deficient number, since it is larger than the sum of its proper divisors (13889591265962).

20120122102102 is a wasteful number, since it uses less digits than its factorization.

20120122102102 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20675364.

The product of its (nonzero) digits is 64, while the sum is 16.

It can be divided in two parts, 2012012 and 2102102, that added together give a palindrome (4114114).

The spelling of 20120122102102 in words is "twenty trillion, one hundred twenty billion, one hundred twenty-two million, one hundred two thousand, one hundred two".

Divisors: 1 2 11 22 31 62 341 682 1427 2854 15697 31394 44237 88474 486607 973214 20673893 41347786 227412823 454825646 640890683 1281781366 7049797513 14099595026 29501645311 59003290622 324518098421 649036196842 914551004641 1829102009282 10060061051051 20120122102102