212221321496 has 16 divisors (see below), whose sum is σ = 401436351000. Its totient is φ = 105171627904.

The previous prime is 212221321469. The next prime is 212221321531. The reversal of 212221321496 is 694123122212.

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, 117378146 + ... + 117379953.

Almost surely, 2^212221321496 is an apocalyptic number.

It is an amenable number.

212221321496 is a deficient number, since it is larger than the sum of its proper divisors (189215029504).

212221321496 is a wasteful number, since it uses less digits than its factorization.

212221321496 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 234758218 (or 234758214 counting only the distinct ones).

The product of its digits is 20736, while the sum is 35.

The spelling of 212221321496 in words is "two hundred twelve billion, two hundred twenty-one million, three hundred twenty-one thousand, four hundred ninety-six".