402212513302352 has 10 divisors (see below), whose sum is σ = 779286744523338. Its totient is φ = 201106256651168.

The previous prime is 402212513302339. The next prime is 402212513302363. The reversal of 402212513302352 is 253203315212204.

It can be written as a sum of positive squares in only one way, i.e., 396651198538816 + 5561314763536 = 19916104^2 + 2358244^2 .

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 12569141040683 + ... + 12569141040714.

Almost surely, 2^{402212513302352} is an apocalyptic number.

It is an amenable number.

402212513302352 is a deficient number, since it is larger than the sum of its proper divisors (377074231220986).

402212513302352 is a wasteful number, since it uses less digits than its factorization.

402212513302352 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25138282081405 (or 25138282081399 counting only the distinct ones).

The product of its (nonzero) digits is 86400, while the sum is 35.

Adding to 402212513302352 its reverse (253203315212204), we get a palindrome (655415828514556).

The spelling of 402212513302352 in words is "four hundred two trillion, two hundred twelve billion, five hundred thirteen million, three hundred two thousand, three hundred fifty-two".