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12312323032021 = 71184339407747
BaseRepresentation
bin1011001100101010111110…
…1001000000001111010101
31121121001020221222000111221
42303022233221000033111
53103211114144011041
642104111512330341
72410351561666045
oct263125751001725
947531227860457
1012312323032021
113a17699408491
12146a2640a39b1
136b407c5862cc
14307cc35c9725
151654123ad2d1
hexb32afa403d5

12312323032021 has 8 divisors (see below), whose sum is σ = 12486414717504. Its totient is φ = 12138250199040.

The previous prime is 12312323032007. The next prime is 12312323032027. The reversal of 12312323032021 is 12023032321321.

12312323032021 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 12312323032021 - 215 = 12312322999253 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12312323032027) 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, 3395131 + ... + 6012616.

It is an arithmetic number, because the mean of its divisors is an integer number (1560801839688).

Almost surely, 212312323032021 is an apocalyptic number.

It is an amenable number.

12312323032021 is a deficient number, since it is larger than the sum of its proper divisors (174091685483).

12312323032021 is an equidigital number, since it uses as much as digits as its factorization.

12312323032021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9426251.

The product of its (nonzero) digits is 2592, while the sum is 25.

Adding to 12312323032021 its reverse (12023032321321), we get a palindrome (24335355353342).

The spelling of 12312323032021 in words is "twelve trillion, three hundred twelve billion, three hundred twenty-three million, thirty-two thousand, twenty-one".

Divisors: 1 71 18433 1308743 9407747 667950037 173413000451 12312323032021