213202201212 has 144 divisors (see below), whose sum is σ = 723595471872. Its totient is φ = 51117402240.

The previous prime is 213202201187. The next prime is 213202201241. The reversal of 213202201212 is 212102202312.

213202201212 is a `hidden beast` number, since 2 + 1 + 320 + 220 + 121 + 2 = 666.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 2922148 + ... + 2994219.

Almost surely, 2^213202201212 is an apocalyptic number.

213202201212 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is an amenable number.

213202201212 is an abundant number, since it is smaller than the sum of its proper divisors (510393270660).

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

213202201212 is a wasteful number, since it uses less digits than its factorization.

213202201212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5916408 (or 5916403 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 18.

Adding to 213202201212 its reverse (212102202312), we get a palindrome (425304403524).

It can be divided in two parts, 213202 and 201212, that added together give a palindrome (414414).

The spelling of 213202201212 in words is "two hundred thirteen billion, two hundred two million, two hundred one thousand, two hundred twelve".