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1201013231129 = 19451191400989
BaseRepresentation
bin10001011110100001111…
…101111000111000011001
311020211000200021120210022
4101132201331320320121
5124134133341344004
62315423213400225
7152525141011445
oct21364175707031
94224020246708
101201013231129
1142338a727698
12174920a99075
13893414a835a
14421b4d1b825
1521393b322be
hex117a1f78e19

1201013231129 has 8 divisors (see below), whose sum is σ = 1264253376000. Its totient is φ = 1137775978512.

The previous prime is 1201013231113. The next prime is 1201013231149. The reversal of 1201013231129 is 9211323101021.

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 1201013231129 - 24 = 1201013231113 is a prime.

It is a super-2 number, since 2×12010132311292 (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1201013231098 and 1201013231107.

It is not an unprimeable number, because it can be changed into a prime (1201013231149) 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, 156767 + ... + 1557755.

It is an arithmetic number, because the mean of its divisors is an integer number (158031672000).

Almost surely, 21201013231129 is an apocalyptic number.

1201013231129 is a gapful number since it is divisible by the number (19) formed by its first and last digit.

It is an amenable number.

1201013231129 is a deficient number, since it is larger than the sum of its proper divisors (63240144871).

1201013231129 is a wasteful number, since it uses less digits than its factorization.

1201013231129 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1446127.

The product of its (nonzero) digits is 648, while the sum is 26.

The spelling of 1201013231129 in words is "one trillion, two hundred one billion, thirteen million, two hundred thirty-one thousand, one hundred twenty-nine".

Divisors: 1 19 45119 857261 1400989 26618791 63211222691 1201013231129