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12120143044 = 229073340723
BaseRepresentation
bin10110100100110101…
…01011010011000100
31011021200012001121211
423102122223103010
5144310224034134
65322400421204
7606230342002
oct132232532304
934250161554
1012120143044
11515a560949
122423017804
1311b200b899
1482d973a72
154ae0a3764
hex2d26ab4c4

12120143044 has 12 divisors (see below), whose sum is σ = 21233641744. Its totient is φ = 6053388264.

The previous prime is 12120143041. The next prime is 12120143053. The reversal of 12120143044 is 44034102121.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (12120143041) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1666734 + ... + 1673989.

Almost surely, 212120143044 is an apocalyptic number.

It is an amenable number.

12120143044 is a deficient number, since it is larger than the sum of its proper divisors (9113498700).

12120143044 is a wasteful number, since it uses less digits than its factorization.

12120143044 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3341634 (or 3341632 counting only the distinct ones).

The product of its (nonzero) digits is 768, while the sum is 22.

Adding to 12120143044 its reverse (44034102121), we get a palindrome (56154245165).

The spelling of 12120143044 in words is "twelve billion, one hundred twenty million, one hundred forty-three thousand, forty-four".

Divisors: 1 2 4 907 1814 3628 3340723 6681446 13362892 3030035761 6060071522 12120143044