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12375050412 = 2231578765323
BaseRepresentation
bin10111000011001110…
…00100100010101100
31011221102211200210110
423201213010202230
5200321003103122
65403544140020
7615444123114
oct134147044254
934842750713
1012375050412
11528043659a
122494467610
131222a7bb4a
1485576a044
154c665690c
hex2e19c48ac

12375050412 has 24 divisors (see below), whose sum is σ = 28877388736. Its totient is φ = 4124692368.

The previous prime is 12375050411. The next prime is 12375050477. The reversal of 12375050412 is 21405057321.

It is a self number, because there is not a number n which added to its sum of digits gives 12375050412.

It is not an unprimeable number, because it can be changed into a prime (12375050411) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 156783 + ... + 222105.

Almost surely, 212375050412 is an apocalyptic number.

12375050412 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

12375050412 is an abundant number, since it is smaller than the sum of its proper divisors (16502338324).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

12375050412 is a wasteful number, since it uses less digits than its factorization.

12375050412 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 81117 (or 81115 counting only the distinct ones).

The product of its (nonzero) digits is 8400, while the sum is 30.

The spelling of 12375050412 in words is "twelve billion, three hundred seventy-five million, fifty thousand, four hundred twelve".

Divisors: 1 2 3 4 6 12 15787 31574 47361 63148 65323 94722 130646 189444 195969 261292 391938 783876 1031254201 2062508402 3093762603 4125016804 6187525206 12375050412