1253221203524 has 12 divisors (see below), whose sum is σ = 2193592809324. Its totient is φ = 626480400864.

The previous prime is 1253221203517. The next prime is 1253221203551. The reversal of 1253221203524 is 4253021223521.

It can be written as a sum of positive squares in 2 ways, for example, as 387145284100 + 866075919424 = 622210^2 + 930632^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 32528567 + ... + 32567070.

It is an arithmetic number, because the mean of its divisors is an integer number (182799400777).

Almost surely, 2^{1253221203524} is an apocalyptic number.

It is an amenable number.

1253221203524 is a deficient number, since it is larger than the sum of its proper divisors (940371605800).

1253221203524 is a wasteful number, since it uses less digits than its factorization.

1253221203524 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 65100454 (or 65100452 counting only the distinct ones).

The product of its (nonzero) digits is 28800, while the sum is 32.

The spelling of 1253221203524 in words is "one trillion, two hundred fifty-three billion, two hundred twenty-one million, two hundred three thousand, five hundred twenty-four".