202112120939 has 2 divisors, whose sum is σ = 202112120940. Its totient is φ = 202112120938.

The previous prime is 202112120933. The next prime is 202112121017. The reversal of 202112120939 is 939021211202.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 202112120939 - 2¹⁶ = 202112055403 is a prime.

It is a super-3 number, since 3×202112120939³ (a number of 35 digits) contains 333 as substring.

It is not a weakly prime, because it can be changed into another prime (202112120933) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 101056060469 + 101056060470.

It is an arithmetic number, because the mean of its divisors is an integer number (101056060470).

Almost surely, 2^202112120939 is an apocalyptic number.

202112120939 is a deficient number, since it is larger than the sum of its proper divisors (1).

202112120939 is an equidigital number, since it uses as much as digits as its factorization.

202112120939 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3888, while the sum is 32.

The spelling of 202112120939 in words is "two hundred two billion, one hundred twelve million, one hundred twenty thousand, nine hundred thirty-nine".