1221214025082 has 32 divisors (see below), whose sum is σ = 2501955345600. Its totient is φ = 397250849408.

The previous prime is 1221214025069. The next prime is 1221214025113. The reversal of 1221214025082 is 2805204121221.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 12541857 + ... + 12638852.

It is an arithmetic number, because the mean of its divisors is an integer number (78186104550).

Almost surely, 2^{1221214025082} is an apocalyptic number.

1221214025082 is an abundant number, since it is smaller than the sum of its proper divisors (1280741320518).

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

1221214025082 is a wasteful number, since it uses less digits than its factorization.

1221214025082 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25180910.

The product of its (nonzero) digits is 5120, while the sum is 30.

The spelling of 1221214025082 in words is "one trillion, two hundred twenty-one billion, two hundred fourteen million, twenty-five thousand, eighty-two".