201212001210 has 32 divisors (see below), whose sum is σ = 526809604032. Its totient is φ = 48778666880.

The previous prime is 201212001191. The next prime is 201212001247. The reversal of 201212001210 is 12100212102.

It is a super-4 number, since 4×201212001210⁴ (a number of 46 digits) contains 4444 as substring.

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, 304866339 + ... + 304866998.

It is an arithmetic number, because the mean of its divisors is an integer number (16462800126).

Almost surely, 2^201212001210 is an apocalyptic number.

201212001210 is an abundant number, since it is smaller than the sum of its proper divisors (325597602822).

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

201212001210 is a wasteful number, since it uses less digits than its factorization.

201212001210 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 609733358.

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

Adding to 201212001210 its reverse (12100212102), we get a palindrome (213312213312).

The spelling of 201212001210 in words is "two hundred one billion, two hundred twelve million, one thousand, two hundred ten".