212736379 has 2 divisors, whose sum is σ = 212736380. Its totient is φ = 212736378.

The previous prime is 212736371. The next prime is 212736383. The reversal of 212736379 is 973637212.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 212736379 - 2³ = 212736371 is a prime.

It is not a weakly prime, because it can be changed into another prime (212736371) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 106368189 + 106368190.

It is an arithmetic number, because the mean of its divisors is an integer number (106368190).

Almost surely, 2^212736379 is an apocalyptic number.

212736379 is a deficient number, since it is larger than the sum of its proper divisors (1).

212736379 is an equidigital number, since it uses as much as digits as its factorization.

212736379 is an evil number, because the sum of its binary digits is even.

The product of its digits is 95256, while the sum is 40.

The square root of 212736379 is about 14585.4852164746. The cubic root of 212736379 is about 596.9627801383.

The spelling of 212736379 in words is "two hundred twelve million, seven hundred thirty-six thousand, three hundred seventy-nine".