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12000022023 = 3111155131481
BaseRepresentation
bin10110010110100000…
…11100111000000111
31010222022011021120010
423023100130320013
5144034001201043
65302430041303
7603241334643
oct131320347007
933868137503
1012000022023
1150a8777180
1223aa949233
131193171862
1481ba25c23
154a3777133
hex2cb41ce07

12000022023 has 16 divisors (see below), whose sum is σ = 17456643072. Its totient is φ = 7271880000.

The previous prime is 12000021961. The next prime is 12000022031. The reversal of 12000022023 is 32022000021.

It is not a de Polignac number, because 12000022023 - 29 = 12000021511 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12000022063) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 365443 + ... + 396923.

It is an arithmetic number, because the mean of its divisors is an integer number (1091040192).

Almost surely, 212000022023 is an apocalyptic number.

12000022023 is a deficient number, since it is larger than the sum of its proper divisors (5456621049).

12000022023 is a wasteful number, since it uses less digits than its factorization.

12000022023 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 43046.

The product of its (nonzero) digits is 48, while the sum is 12.

Adding to 12000022023 its reverse (32022000021), we get a palindrome (44022022044).

It can be divided in two parts, 1200002 and 2023, that added together give a triangular number (1202025 = T1550).

The spelling of 12000022023 in words is "twelve billion, twenty-two thousand, twenty-three".

Divisors: 1 3 11 33 11551 31481 34653 94443 127061 346291 381183 1038873 363637031 1090911093 4000007341 12000022023