1251400230330 has 64 divisors (see below), whose sum is σ = 3006779833728. Its totient is φ = 333327052800.

The previous prime is 1251400230307. The next prime is 1251400230337. The reversal of 1251400230330 is 330320041521.

It is a self number, because there is not a number n which added to its sum of digits gives 1251400230330.

It is not an unprimeable number, because it can be changed into a prime (1251400230337) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 108972769 + ... + 108984251.

It is an arithmetic number, because the mean of its divisors is an integer number (46980934902).

Almost surely, 2^{1251400230330} is an apocalyptic number.

1251400230330 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1251400230330 is an abundant number, since it is smaller than the sum of its proper divisors (1755379603398).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1251400230330 is a wasteful number, since it uses less digits than its factorization.

1251400230330 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15311.

The product of its (nonzero) digits is 2160, while the sum is 24.

Adding to 1251400230330 its reverse (330320041521), we get a palindrome (1581720271851).

The spelling of 1251400230330 in words is "one trillion, two hundred fifty-one billion, four hundred million, two hundred thirty thousand, three hundred thirty".