212011211312 has 10 divisors (see below), whose sum is σ = 410771721948. Its totient is φ = 106005605648.

The previous prime is 212011211309. The next prime is 212011211351. The reversal of 212011211312 is 213112110212.

It is a happy number.

It is a super-2 number, since 2×212011211312² (a number of 23 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6625350338 + ... + 6625350369.

Almost surely, 2^212011211312 is an apocalyptic number.

It is an amenable number.

212011211312 is a deficient number, since it is larger than the sum of its proper divisors (198760510636).

212011211312 is a wasteful number, since it uses less digits than its factorization.

212011211312 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13250700715 (or 13250700709 counting only the distinct ones).

The product of its (nonzero) digits is 48, while the sum is 17.

Adding to 212011211312 its reverse (213112110212), we get a palindrome (425123321524).

The spelling of 212011211312 in words is "two hundred twelve billion, eleven million, two hundred eleven thousand, three hundred twelve".