1251144252130 has 16 divisors (see below), whose sum is σ = 2283778805184. Its totient is φ = 493409000560.

The previous prime is 1251144252097. The next prime is 1251144252157. The reversal of 1251144252130 is 312524411521.

It is a junction number, because it is equal to n+sod(n) for n = 1251144252092 and 1251144252101.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 881086792 + ... + 881088211.

It is an arithmetic number, because the mean of its divisors is an integer number (142736175324).

Almost surely, 2^{1251144252130} is an apocalyptic number.

1251144252130 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1251144252130 is a deficient number, since it is larger than the sum of its proper divisors (1032634553054).

1251144252130 is a wasteful number, since it uses less digits than its factorization.

1251144252130 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1762175081.

The product of its (nonzero) digits is 9600, while the sum is 31.

Adding to 1251144252130 its reverse (312524411521), we get a palindrome (1563668663651).

The spelling of 1251144252130 in words is "one trillion, two hundred fifty-one billion, one hundred forty-four million, two hundred fifty-two thousand, one hundred thirty".