2321220030012 has 36 divisors (see below), whose sum is σ = 6318876749640. Its totient is φ = 714221547552.

The previous prime is 2321220029993. The next prime is 2321220030071. The reversal of 2321220030012 is 2100300221232.

2321220030012 is a `hidden beast` number, since 232 + 122 + 0 + 0 + 300 + 12 = 666.

It is a tau number, because it is divible by the number of its divisors (36).

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2479935462 + ... + 2479936397.

Almost surely, 2^{2321220030012} is an apocalyptic number.

It is an amenable number.

2321220030012 is an abundant number, since it is smaller than the sum of its proper divisors (3997656719628).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2321220030012 is a wasteful number, since it uses less digits than its factorization.

2321220030012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4959871882 (or 4959871877 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 18.

Adding to 2321220030012 its reverse (2100300221232), we get a palindrome (4421520251244).

The spelling of 2321220030012 in words is "two trillion, three hundred twenty-one billion, two hundred twenty million, thirty thousand, twelve".