211202011212 has 24 divisors (see below), whose sum is σ = 492886899456. Its totient is φ = 70388926608.

The previous prime is 211202011199. The next prime is 211202011219. The reversal of 211202011212 is 212110202112.

It is a junction number, because it is equal to n+sod(n) for n = 211202011191 and 211202011200.

It is not an unprimeable number, because it can be changed into a prime (211202011219) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1392888 + ... + 1537055.

It is an arithmetic number, because the mean of its divisors is an integer number (20536954144).

Almost surely, 2^211202011212 is an apocalyptic number.

It is an amenable number.

211202011212 is an abundant number, since it is smaller than the sum of its proper divisors (281684888244).

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

211202011212 is a wasteful number, since it uses less digits than its factorization.

211202011212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2935957 (or 2935955 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 15.

Adding to 211202011212 its reverse (212110202112), we get a palindrome (423312213324).

The spelling of 211202011212 in words is "two hundred eleven billion, two hundred two million, eleven thousand, two hundred twelve".