221412504057042 has 16 divisors (see below), whose sum is σ = 443221449495552. Its totient is φ = 73738094455440.

The previous prime is 221412504057007. The next prime is 221412504057053. The reversal of 221412504057042 is 240750405214122.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 16518383634 + ... + 16518397037.

It is an arithmetic number, because the mean of its divisors is an integer number (27701340593472).

Almost surely, 2^{221412504057042} is an apocalyptic number.

221412504057042 is an abundant number, since it is smaller than the sum of its proper divisors (221808945438510).

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

221412504057042 is a wasteful number, since it uses less digits than its factorization.

221412504057042 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 33036781793.

The product of its (nonzero) digits is 179200, while the sum is 39.

The spelling of 221412504057042 in words is "two hundred twenty-one trillion, four hundred twelve billion, five hundred four million, fifty-seven thousand, forty-two".