1312251401434 has 32 divisors (see below), whose sum is σ = 2057909120640. Its totient is φ = 626392166400.

The previous prime is 1312251401399. The next prime is 1312251401459. The reversal of 1312251401434 is 4341041522131.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 1312251401396 and 1312251401405.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 104049789 + ... + 104062399.

It is an arithmetic number, because the mean of its divisors is an integer number (64309660020).

Almost surely, 2^{1312251401434} is an apocalyptic number.

1312251401434 is a deficient number, since it is larger than the sum of its proper divisors (745657719206).

1312251401434 is a wasteful number, since it uses less digits than its factorization.

1312251401434 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16806.

The product of its (nonzero) digits is 11520, while the sum is 31.

Adding to 1312251401434 its reverse (4341041522131), we get a palindrome (5653292923565).

The spelling of 1312251401434 in words is "one trillion, three hundred twelve billion, two hundred fifty-one million, four hundred one thousand, four hundred thirty-four".