201213431400 has 192 divisors, whose sum is σ = 695214878400. Its totient is φ = 47842652160.

The previous prime is 201213431389. The next prime is 201213431401. The reversal of 201213431400 is 4134312102.

It is not an unprimeable number, because it can be changed into a prime (201213431401) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 325327 + ... + 712926.

It is an arithmetic number, because the mean of its divisors is an integer number (3620910825).

Almost surely, 2^201213431400 is an apocalyptic number.

201213431400 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

201213431400 is an abundant number, since it is smaller than the sum of its proper divisors (494001447000).

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

201213431400 is a wasteful number, since it uses less digits than its factorization.

201213431400 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1038308 (or 1038299 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 21.

Adding to 201213431400 its reverse (4134312102), we get a palindrome (205347743502).

The spelling of 201213431400 in words is "two hundred one billion, two hundred thirteen million, four hundred thirty-one thousand, four hundred".