212029373921 has 8 divisors (see below), whose sum is σ = 224643538944. Its totient is φ = 199430969920.

The previous prime is 212029373911. The next prime is 212029373947. The reversal of 212029373921 is 129373920212.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 212029373921 - 2²² = 212025179617 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (212029373911) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3912545 + ... + 3966366.

It is an arithmetic number, because the mean of its divisors is an integer number (28080442368).

Almost surely, 2^212029373921 is an apocalyptic number.

It is an amenable number.

212029373921 is a deficient number, since it is larger than the sum of its proper divisors (12614165023).

212029373921 is a wasteful number, since it uses less digits than its factorization.

212029373921 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7880511.

The product of its (nonzero) digits is 81648, while the sum is 41.

The spelling of 212029373921 in words is "two hundred twelve billion, twenty-nine million, three hundred seventy-three thousand, nine hundred twenty-one".