402133123312 has 40 divisors (see below), whose sum is σ = 780475696160. Its totient is φ = 200720332800.

The previous prime is 402133123307. The next prime is 402133123363. The reversal of 402133123312 is 213321331204.

It is a super-2 number, since 2×402133123312² (a number of 24 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 25768312 + ... + 25783912.

It is an arithmetic number, because the mean of its divisors is an integer number (19511892404).

Almost surely, 2^402133123312 is an apocalyptic number.

It is an amenable number.

402133123312 is a deficient number, since it is larger than the sum of its proper divisors (378342572848).

402133123312 is a wasteful number, since it uses less digits than its factorization.

402133123312 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18281 (or 18275 counting only the distinct ones).

The product of its (nonzero) digits is 2592, while the sum is 25.

Adding to 402133123312 its reverse (213321331204), we get a palindrome (615454454516).

The spelling of 402133123312 in words is "four hundred two billion, one hundred thirty-three million, one hundred twenty-three thousand, three hundred twelve".