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12101202012 = 22329302311503
BaseRepresentation
bin10110100010100100…
…11011000001011100
31011020100112202102010
423101102123001130
5144240401431022
65320442431220
7605610343224
oct132122330134
934210482363
1012101202012
11514a8a41a9
122418802510
1311ab109483
1482b243084
154ac5b150c
hex2d149b05c

12101202012 has 48 divisors (see below), whose sum is σ = 29222000640. Its totient is φ = 3893012928.

The previous prime is 12101201999. The next prime is 12101202013. The reversal of 12101202012 is 21020210121.

It is a Harshad number since it is a multiple of its sum of digits (12).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12101202013) 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, 1046253 + ... + 1057755.

It is an arithmetic number, because the mean of its divisors is an integer number (608791680).

Almost surely, 212101202012 is an apocalyptic number.

12101202012 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

12101202012 is an abundant number, since it is smaller than the sum of its proper divisors (17120798628).

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

12101202012 is a wasteful number, since it uses less digits than its factorization.

12101202012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14562 (or 14560 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 12.

Adding to 12101202012 its reverse (21020210121), we get a palindrome (33121412133).

The spelling of 12101202012 in words is "twelve billion, one hundred one million, two hundred two thousand, twelve".

Divisors: 1 2 3 4 6 12 29 58 87 116 174 348 3023 6046 9069 11503 12092 18138 23006 34509 36276 46012 69018 87667 138036 175334 263001 333587 350668 526002 667174 1000761 1052004 1334348 2001522 4003044 34773569 69547138 104320707 139094276 208641414 417282828 1008433501 2016867002 3025300503 4033734004 6050601006 12101202012