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12210300331021 = 138871058910791
BaseRepresentation
bin1011000110101110111010…
…0111010010010000001101
31121020021220211020211010101
42301223232213102100031
53100023143341043041
641545200132011101
72400110424230062
oct261535647222015
947207824224111
1012210300331021
1139883a5240171
121452530a60a91
136a75709b1890
14302da5a80c69
151629407c9b31
hexb1aee9d240d

12210300331021 has 8 divisors (see below), whose sum is σ = 13164378966144. Its totient is φ = 11258339519280.

The previous prime is 12210300331013. The next prime is 12210300331027. The reversal of 12210300331021 is 12013300301221.

12210300331021 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 12210300331021 - 23 = 12210300331013 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 12210300331021.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12210300331027) 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, 529443865 + ... + 529466926.

It is an arithmetic number, because the mean of its divisors is an integer number (1645547370768).

Almost surely, 212210300331021 is an apocalyptic number.

It is an amenable number.

12210300331021 is a deficient number, since it is larger than the sum of its proper divisors (954078635123).

12210300331021 is a wasteful number, since it uses less digits than its factorization.

12210300331021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1058911691.

The product of its (nonzero) digits is 216, while the sum is 19.

Adding to 12210300331021 its reverse (12013300301221), we get a palindrome (24223600632242).

The spelling of 12210300331021 in words is "twelve trillion, two hundred ten billion, three hundred million, three hundred thirty-one thousand, twenty-one".

Divisors: 1 13 887 11531 1058910791 13765840283 939253871617 12210300331021