12402403012210 has 32 divisors (see below), whose sum is σ = 22496199093360. Its totient is φ = 4922850546432.

The previous prime is 12402403012193. The next prime is 12402403012211. The reversal of 12402403012210 is 1221030420421.

It can be written as a sum of positive squares in 8 ways, for example, as 2808101196121 + 9594301816089 = 1675739^2 + 3097467^2 .

It is not an unprimeable number, because it can be changed into a prime (12402403012211) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4029225 + ... + 6406204.

Almost surely, 2^{12402403012210} is an apocalyptic number.

12402403012210 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

12402403012210 is a deficient number, since it is larger than the sum of its proper divisors (10093796081150).

12402403012210 is a wasteful number, since it uses less digits than its factorization.

12402403012210 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10436350.

The product of its (nonzero) digits is 768, while the sum is 22.

Adding to 12402403012210 its reverse (1221030420421), we get a palindrome (13623433432631).

The spelling of 12402403012210 in words is "twelve trillion, four hundred two billion, four hundred three million, twelve thousand, two hundred ten".