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121231003301213 = 1315014476210983
BaseRepresentation
bin11011100100001001001010…
…111000110011010101011101
3120220020120102001200000211012
4123210021022320303111131
5111342222043321114323
61105500430513505005
734351436163456401
oct3344111270632535
9526216361600735
10121231003301213
113569a863972393
121171b469872165
13528505ac01410
1421d187cd6d101
15e0376b09e678
hex6e424ae3355d

121231003301213 has 8 divisors (see below), whose sum is σ = 130556573067648. Its totient is φ = 111905448959664.

The previous prime is 121231003301209. The next prime is 121231003301231. The reversal of 121231003301213 is 312103300132121.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 121231003301213 - 22 = 121231003301209 is a prime.

It is a super-2 number, since 2×1212310033012132 (a number of 29 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (121231003301263) 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, 16413320 + ... + 22624302.

It is an arithmetic number, because the mean of its divisors is an integer number (16319571633456).

Almost surely, 2121231003301213 is an apocalyptic number.

121231003301213 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

It is an amenable number.

121231003301213 is a deficient number, since it is larger than the sum of its proper divisors (9325569766435).

121231003301213 is a wasteful number, since it uses less digits than its factorization.

121231003301213 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7712443.

The product of its (nonzero) digits is 648, while the sum is 23.

Adding to 121231003301213 its reverse (312103300132121), we get a palindrome (433334303433334).

The spelling of 121231003301213 in words is "one hundred twenty-one trillion, two hundred thirty-one billion, three million, three hundred one thousand, two hundred thirteen".

Divisors: 1 13 1501447 6210983 19518811 80742779 9325461792401 121231003301213