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12001233301031 = 1321916632247467
BaseRepresentation
bin1010111010100100000100…
…1111110110111000100111
31120111022021120202021202102
42232221001033312320213
53033112011211113111
641305142424002315
72346026514625232
oct256510117667047
946438246667672
1012001233301031
113907770366157
121419b0490039b
13690933073700
142d6c116da419
1515c2a633813b
hexaea413f6e27

12001233301031 has 24 divisors (see below), whose sum is σ = 13687619512320. Its totient is φ = 10488690085536.

The previous prime is 12001233300997. The next prime is 12001233301049. The reversal of 12001233301031 is 13010333210021.

It is not a de Polignac number, because 12001233301031 - 26 = 12001233300967 is a prime.

It is a super-2 number, since 2×120012333010312 (a number of 27 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 12001233300994 and 12001233301012.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12001233301081) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 4216160 + ... + 6463626.

It is an arithmetic number, because the mean of its divisors is an integer number (570317479680).

Almost surely, 212001233301031 is an apocalyptic number.

12001233301031 is a deficient number, since it is larger than the sum of its proper divisors (1686386211289).

12001233301031 is a wasteful number, since it uses less digits than its factorization.

12001233301031 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2249175 (or 2249162 counting only the distinct ones).

The product of its (nonzero) digits is 324, while the sum is 20.

Adding to 12001233301031 its reverse (13010333210021), we get a palindrome (25011566511052).

The spelling of 12001233301031 in words is "twelve trillion, one billion, two hundred thirty-three million, three hundred one thousand, thirty-one".

Divisors: 1 13 19 169 247 1663 3211 21619 31597 281047 410761 2247467 5339893 29217071 42701873 379821923 555124349 3737537621 7216616537 48587989073 71013214799 631643857949 923171792387 12001233301031