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20120023112012 = 2231439915998797
BaseRepresentation
bin1001001001100100011101…
…10101001001100101001100
32122020110022000010022212122
410210302032311021211030
510114121301404041022
6110443002213552112
74144423633444145
oct444621665114514
978213260108778
1020120023112012
11645794357859a
12230b48b045638
13b2c405200b45
144d7b5869cacc
1524d57bda4742
hex124c8ed4994c

20120023112012 has 12 divisors (see below), whose sum is σ = 35210154638400. Its totient is φ = 10059978929616.

The previous prime is 20120023111973. The next prime is 20120023112023. The reversal of 20120023112012 is 21021132002102.

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, 6741803 + ... + 9256994.

It is an arithmetic number, because the mean of its divisors is an integer number (2934179553200).

Almost surely, 220120023112012 is an apocalyptic number.

It is an amenable number.

20120023112012 is a deficient number, since it is larger than the sum of its proper divisors (15090131526388).

20120023112012 is a wasteful number, since it uses less digits than its factorization.

20120023112012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16313200 (or 16313198 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 17.

Adding to 20120023112012 its reverse (21021132002102), we get a palindrome (41141155114114).

The spelling of 20120023112012 in words is "twenty trillion, one hundred twenty billion, twenty-three million, one hundred twelve thousand, twelve".

Divisors: 1 2 4 314399 628798 1257596 15998797 31997594 63995188 5030005778003 10060011556006 20120023112012