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12013111133031 = 323269647223271
BaseRepresentation
bin1010111011010000010100…
…1110001100001101100111
31120112102221100222200010010
42232310011032030031213
53033310322422224111
641314425211101303
72346630043551111
oct256640516141547
946472840880103
1012013111133031
113911806065138
12142027a741833
13691aa6b02578
142d761add63b1
1515c74dec5aa6
hexaed0538c367

12013111133031 has 16 divisors (see below), whose sum is σ = 16776027210240. Its totient is φ = 7632056799840.

The previous prime is 12013111132993. The next prime is 12013111133033. The reversal of 12013111133031 is 13033111131021.

12013111133031 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 12013111133031 - 27 = 12013111132903 is a prime.

It is a super-2 number, since 2×120131111330312 (a number of 27 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 12013111132989 and 12013111133007.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12013111133033) 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, 323593075 + ... + 323630196.

It is an arithmetic number, because the mean of its divisors is an integer number (1048501700640).

Almost surely, 212013111133031 is an apocalyptic number.

12013111133031 is a deficient number, since it is larger than the sum of its proper divisors (4762916077209).

12013111133031 is a wasteful number, since it uses less digits than its factorization.

12013111133031 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 647223566.

The product of its (nonzero) digits is 162, while the sum is 21.

Adding to 12013111133031 its reverse (13033111131021), we get a palindrome (25046222264052).

The spelling of 12013111133031 in words is "twelve trillion, thirteen billion, one hundred eleven million, one hundred thirty-three thousand, thirty-one".

Divisors: 1 3 23 69 269 807 6187 18561 647223271 1941669813 14886135233 44658405699 174103059899 522309179697 4004370377677 12013111133031