212140249423 has 2 divisors, whose sum is σ = 212140249424. Its totient is φ = 212140249422.

The previous prime is 212140249403. The next prime is 212140249429. The reversal of 212140249423 is 324942041212.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 212140249423 - 2³³ = 203550314831 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (212140249429) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 106070124711 + 106070124712.

It is an arithmetic number, because the mean of its divisors is an integer number (106070124712).

Almost surely, 2^212140249423 is an apocalyptic number.

212140249423 is a deficient number, since it is larger than the sum of its proper divisors (1).

212140249423 is an equidigital number, since it uses as much as digits as its factorization.

212140249423 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 27648, while the sum is 34.

The spelling of 212140249423 in words is "two hundred twelve billion, one hundred forty million, two hundred forty-nine thousand, four hundred twenty-three".