13212143780 has 48 divisors (see below), whose sum is σ = 30281561856. Its totient is φ = 4802234880.

The previous prime is 13212143767. The next prime is 13212143801. The reversal of 13212143780 is 8734121231.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 519317 + ... + 544163.

It is an arithmetic number, because the mean of its divisors is an integer number (630865872).

Almost surely, 2^13212143780 is an apocalyptic number.

13212143780 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

13212143780 is an abundant number, since it is smaller than the sum of its proper divisors (17069418076).

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

13212143780 is a wasteful number, since it uses less digits than its factorization.

13212143780 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27284 (or 27282 counting only the distinct ones).

The product of its (nonzero) digits is 8064, while the sum is 32.

The spelling of 13212143780 in words is "thirteen billion, two hundred twelve million, one hundred forty-three thousand, seven hundred eighty".