2221212010012 has 12 divisors (see below), whose sum is σ = 3887492743960. Its totient is φ = 1110499797456.

The previous prime is 2221212010007. The next prime is 2221212010091. The reversal of 2221212010012 is 2100102121222.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 26504823 + ... + 26588494.

Almost surely, 2^{2221212010012} is an apocalyptic number.

It is an amenable number.

2221212010012 is a deficient number, since it is larger than the sum of its proper divisors (1666280733948).

2221212010012 is a wasteful number, since it uses less digits than its factorization.

2221212010012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 53103780 (or 53103778 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 16.

Adding to 2221212010012 its reverse (2100102121222), we get a palindrome (4321314131234).

The spelling of 2221212010012 in words is "two trillion, two hundred twenty-one billion, two hundred twelve million, ten thousand, twelve".