1251134524012 has 6 divisors (see below), whose sum is σ = 2189485417028. Its totient is φ = 625567262004.

The previous prime is 1251134523971. The next prime is 1251134524021. The reversal of 1251134524012 is 2104254311521.

It is a super-2 number, since 2×1251134524012² (a number of 25 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 156391815498 + ... + 156391815505.

Almost surely, 2^{1251134524012} is an apocalyptic number.

It is an amenable number.

1251134524012 is a deficient number, since it is larger than the sum of its proper divisors (938350893016).

1251134524012 is a wasteful number, since it uses less digits than its factorization.

1251134524012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 312783631007 (or 312783631005 counting only the distinct ones).

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

Adding to 1251134524012 its reverse (2104254311521), we get a palindrome (3355388835533).

The spelling of 1251134524012 in words is "one trillion, two hundred fifty-one billion, one hundred thirty-four million, five hundred twenty-four thousand, twelve".