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12125245244 = 22712713126029
BaseRepresentation
bin10110100101011100…
…01000111100111100
31011022000210021112012
423102232020330330
5144313030321434
65323102030352
7606321612140
oct132256107474
934260707465
1012125245244
115162426242
1224248783b8
1311b30a7038
14830501220
154ae7603ce
hex2d2b88f3c

12125245244 has 48 divisors (see below), whose sum is σ = 24628961280. Its totient is φ = 5116063680.

The previous prime is 12125245211. The next prime is 12125245277. The reversal of 12125245244 is 44254252121.

It is an interprime number because it is at equal distance from previous prime (12125245211) and next prime (12125245277).

It is a self number, because there is not a number n which added to its sum of digits gives 12125245244.

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, 452822 + ... + 478850.

It is an arithmetic number, because the mean of its divisors is an integer number (513103360).

Almost surely, 212125245244 is an apocalyptic number.

12125245244 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

12125245244 is an abundant number, since it is smaller than the sum of its proper divisors (12503716036).

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

12125245244 is a wasteful number, since it uses less digits than its factorization.

12125245244 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26298 (or 26296 counting only the distinct ones).

The product of its digits is 25600, while the sum is 32.

Adding to 12125245244 its reverse (44254252121), we get a palindrome (56379497365).

The spelling of 12125245244 in words is "twelve billion, one hundred twenty-five million, two hundred forty-five thousand, two hundred forty-four".

Divisors: 1 2 4 7 14 28 127 131 254 262 508 524 889 917 1778 1834 3556 3668 16637 26029 33274 52058 66548 104116 116459 182203 232918 364406 465836 728812 3305683 3409799 6611366 6819598 13222732 13639196 23139781 23868593 46279562 47737186 92559124 95474372 433044473 866088946 1732177892 3031311311 6062622622 12125245244