253530201212 has 24 divisors (see below), whose sum is σ = 448170602880. Its totient is φ = 125482017600.

The previous prime is 253530201203. The next prime is 253530201263. The reversal of 253530201212 is 212102035352.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1806518 + ... + 1941794.

It is an arithmetic number, because the mean of its divisors is an integer number (18673775120).

Almost surely, 2^253530201212 is an apocalyptic number.

It is an amenable number.

253530201212 is a deficient number, since it is larger than the sum of its proper divisors (194640401668).

253530201212 is a wasteful number, since it uses less digits than its factorization.

253530201212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 140021 (or 140019 counting only the distinct ones).

The product of its (nonzero) digits is 3600, while the sum is 26.

Adding to 253530201212 its reverse (212102035352), we get a palindrome (465632236564).

The spelling of 253530201212 in words is "two hundred fifty-three billion, five hundred thirty million, two hundred one thousand, two hundred twelve".