1251135202224 has 40 divisors (see below), whose sum is σ = 3234572349120. Its totient is φ = 416725960768.

The previous prime is 1251135202223. The next prime is 1251135202237. The reversal of 1251135202224 is 4222025311521.

It is a junction number, because it is equal to n+sod(n) for n = 1251135202191 and 1251135202200.

It is not an unprimeable number, because it can be changed into a prime (1251135202223) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9908694 + ... + 10034165.

It is an arithmetic number, because the mean of its divisors is an integer number (80864308728).

Almost surely, 2^{1251135202224} is an apocalyptic number.

It is an amenable number.

1251135202224 is an abundant number, since it is smaller than the sum of its proper divisors (1983437146896).

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

1251135202224 is a wasteful number, since it uses less digits than its factorization.

1251135202224 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19944177 (or 19944171 counting only the distinct ones).

The product of its (nonzero) digits is 9600, while the sum is 30.

The spelling of 1251135202224 in words is "one trillion, two hundred fifty-one billion, one hundred thirty-five million, two hundred two thousand, two hundred twenty-four".