12212001210 has 48 divisors (see below), whose sum is σ = 30354363936. Its totient is φ = 3144232896.

The previous prime is 12212001209. The next prime is 12212001223. The reversal of 12212001210 is 1210021221.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 216784 + ... + 267243.

It is an arithmetic number, because the mean of its divisors is an integer number (632382582).

Almost surely, 2^12212001210 is an apocalyptic number.

12212001210 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

12212001210 is an abundant number, since it is smaller than the sum of its proper divisors (18142362726).

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

12212001210 is a wasteful number, since it uses less digits than its factorization.

12212001210 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 484095 (or 484066 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 12.

Adding to 12212001210 its reverse (1210021221), we get a palindrome (13422022431).

The spelling of 12212001210 in words is "twelve billion, two hundred twelve million, one thousand, two hundred ten".