1211253354604 has 12 divisors (see below), whose sum is σ = 2131404384928. Its totient is φ = 602280673200.

The previous prime is 1211253354601. The next prime is 1211253354617. The reversal of 1211253354604 is 4064533521121.

It is not an unprimeable number, because it can be changed into a prime (1211253354601) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 836500212 + ... + 836501659.

Almost surely, 2^{1211253354604} is an apocalyptic number.

It is an amenable number.

1211253354604 is a deficient number, since it is larger than the sum of its proper divisors (920151030324).

1211253354604 is a wasteful number, since it uses less digits than its factorization.

1211253354604 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1673002056 (or 1673002054 counting only the distinct ones).

The product of its (nonzero) digits is 86400, while the sum is 37.

Adding to 1211253354604 its reverse (4064533521121), we get a palindrome (5275786875725).

The spelling of 1211253354604 in words is "one trillion, two hundred eleven billion, two hundred fifty-three million, three hundred fifty-four thousand, six hundred four".