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12131033010222 = 2371372108278243
BaseRepresentation
bin1011000010000111100111…
…1010011101000000101110
31120221201022112210201001010
42300201321322131000232
53042223323422311342
641444530350130050
72361303210144330
oct260417172350056
946851275721033
1012131033010222
113957818973895
12143b0aa4b0926
1369cc4a5bb769
142dd206349450
151608517d629c
hexb0879e9d02e

12131033010222 has 32 divisors (see below), whose sum is σ = 27930470176512. Its totient is φ = 3440710090944.

The previous prime is 12131033010197. The next prime is 12131033010227. The reversal of 12131033010222 is 22201033013121.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12131033010227) 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, 1054133368 + ... + 1054144875.

It is an arithmetic number, because the mean of its divisors is an integer number (872827193016).

Almost surely, 212131033010222 is an apocalyptic number.

12131033010222 is an abundant number, since it is smaller than the sum of its proper divisors (15799437166290).

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

12131033010222 is a wasteful number, since it uses less digits than its factorization.

12131033010222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2108278392.

The product of its (nonzero) digits is 432, while the sum is 21.

Adding to 12131033010222 its reverse (22201033013121), we get a palindrome (34332066023343).

The spelling of 12131033010222 in words is "twelve trillion, one hundred thirty-one billion, thirty-three million, ten thousand, two hundred twenty-two".

Divisors: 1 2 3 6 7 14 21 42 137 274 411 822 959 1918 2877 5754 2108278243 4216556486 6324834729 12649669458 14757947701 29515895402 44273843103 88547686206 288834119291 577668238582 866502357873 1733004715746 2021838835037 4043677670074 6065516505111 12131033010222