402132212387 has 2 divisors, whose sum is σ = 402132212388. Its totient is φ = 402132212386.

The previous prime is 402132212297. The next prime is 402132212407. The reversal of 402132212387 is 783212231204.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-402132212387 is a prime.

It is not a weakly prime, because it can be changed into another prime (402132272387) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 201066106193 + 201066106194.

It is an arithmetic number, because the mean of its divisors is an integer number (201066106194).

Almost surely, 2^402132212387 is an apocalyptic number.

402132212387 is a deficient number, since it is larger than the sum of its proper divisors (1).

402132212387 is an equidigital number, since it uses as much as digits as its factorization.

402132212387 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 32256, while the sum is 35.

The spelling of 402132212387 in words is "four hundred two billion, one hundred thirty-two million, two hundred twelve thousand, three hundred eighty-seven".