212111011012 has 24 divisors (see below), whose sum is σ = 375327243200. Its totient is φ = 104877563616.

The previous prime is 212111010983. The next prime is 212111011027. The reversal of 212111011012 is 210110111212.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 212111010983 and 212111011001.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 70962 + ... + 655177.

Almost surely, 2^212111011012 is an apocalyptic number.

It is an amenable number.

212111011012 is a deficient number, since it is larger than the sum of its proper divisors (163216232188).

212111011012 is a wasteful number, since it uses less digits than its factorization.

212111011012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 726955 (or 726953 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 13.

Adding to 212111011012 its reverse (210110111212), we get a palindrome (422221122224).

The spelling of 212111011012 in words is "two hundred twelve billion, one hundred eleven million, eleven thousand, twelve".