10402123012 has 12 divisors (see below), whose sum is σ = 18206079696. Its totient is φ = 5200385960.

The previous prime is 10402123009. The next prime is 10402123063. The reversal of 10402123012 is 21032120401.

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 3 ways as a sum of consecutive naturals, for example, 133414 + ... + 196477.

It is an arithmetic number, because the mean of its divisors is an integer number (1517173308).

Almost surely, 2^10402123012 is an apocalyptic number.

It is an amenable number.

10402123012 is a deficient number, since it is larger than the sum of its proper divisors (7803956684).

10402123012 is a wasteful number, since it uses less digits than its factorization.

10402123012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 337778 (or 337776 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 16.

Adding to 10402123012 its reverse (21032120401), we get a palindrome (31434243413).

The spelling of 10402123012 in words is "ten billion, four hundred two million, one hundred twenty-three thousand, twelve".