221002342012 has 12 divisors (see below), whose sum is σ = 386757920416. Its totient is φ = 110500079040.

The previous prime is 221002342003. The next prime is 221002342031. The reversal of 221002342012 is 210243200122.

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, 330733 + ... + 742555.

Almost surely, 2^221002342012 is an apocalyptic number.

It is an amenable number.

221002342012 is a deficient number, since it is larger than the sum of its proper divisors (165755578404).

221002342012 is a wasteful number, since it uses less digits than its factorization.

221002342012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 545988 (or 545986 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 19.

Adding to 221002342012 its reverse (210243200122), we get a palindrome (431245542134).

The spelling of 221002342012 in words is "two hundred twenty-one billion, two million, three hundred forty-two thousand, twelve".