212012101022 has 4 divisors (see below), whose sum is σ = 318018151536. Its totient is φ = 106006050510.

The previous prime is 212012101009. The next prime is 212012101031. The reversal of 212012101022 is 220101210212.

It is a semiprime because it is the product of two primes.

It is a junction number, because it is equal to n+sod(n) for n = 212012100988 and 212012101006.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 53003025254 + ... + 53003025257.

It is an arithmetic number, because the mean of its divisors is an integer number (79504537884).

Almost surely, 2^212012101022 is an apocalyptic number.

212012101022 is a deficient number, since it is larger than the sum of its proper divisors (106006050514).

212012101022 is a wasteful number, since it uses less digits than its factorization.

212012101022 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 106006050513.

The product of its (nonzero) digits is 32, while the sum is 14.

Adding to 212012101022 its reverse (220101210212), we get a palindrome (432113311234).

The spelling of 212012101022 in words is "two hundred twelve billion, twelve million, one hundred one thousand, twenty-two".