213330001201212 has 48 divisors (see below), whose sum is σ = 569920003331840. Its totient is φ = 60840000329472.

The previous prime is 213330001201183. The next prime is 213330001201223. The reversal of 213330001201212 is 212102100033312.

It is a super-2 number, since 2×213330001201212² (a number of 29 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a congruent number.

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, 2321382637 + ... + 2321474532.

Almost surely, 2^{213330001201212} is an apocalyptic number.

It is an amenable number.

213330001201212 is an abundant number, since it is smaller than the sum of its proper divisors (356590002130628).

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

213330001201212 is a wasteful number, since it uses less digits than its factorization.

213330001201212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4642857730 (or 4642857728 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 21.

Adding to 213330001201212 its reverse (212102100033312), we get a palindrome (425432101234524).

The spelling of 213330001201212 in words is "two hundred thirteen trillion, three hundred thirty billion, one million, two hundred one thousand, two hundred twelve".