212846131 has 2 divisors, whose sum is σ = 212846132. Its totient is φ = 212846130.

The previous prime is 212846063. The next prime is 212846147. The reversal of 212846131 is 131648212.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 212846131 - 2¹¹ = 212844083 is a prime.

It is a super-2 number, since 2×212846131² = 90606950963338322, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 212846131.

It is not a weakly prime, because it can be changed into another prime (212846191) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 106423065 + 106423066.

It is an arithmetic number, because the mean of its divisors is an integer number (106423066).

Almost surely, 2^212846131 is an apocalyptic number.

212846131 is a deficient number, since it is larger than the sum of its proper divisors (1).

212846131 is an equidigital number, since it uses as much as digits as its factorization.

212846131 is an evil number, because the sum of its binary digits is even.

The product of its digits is 2304, while the sum is 28.

The square root of 212846131 is about 14589.2471018898. The cubic root of 212846131 is about 597.0654214066.

The spelling of 212846131 in words is "two hundred twelve million, eight hundred forty-six thousand, one hundred thirty-one".