212122020012 has 48 divisors (see below), whose sum is σ = 568928462592. Its totient is φ = 60255961920.

The previous prime is 212122020007. The next prime is 212122020013. The reversal of 212122020012 is 210020221212.

It is a super-3 number, since 3×212122020012³ (a number of 35 digits) contains 333 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 212122019973 and 212122020000.

It is not an unprimeable number, because it can be changed into a prime (212122020013) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 7283914 + ... + 7312977.

It is an arithmetic number, because the mean of its divisors is an integer number (11852676304).

Almost surely, 2^212122020012 is an apocalyptic number.

It is an amenable number.

212122020012 is an abundant number, since it is smaller than the sum of its proper divisors (356806442580).

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

212122020012 is a wasteful number, since it uses less digits than its factorization.

212122020012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14597078 (or 14597076 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 15.

Adding to 212122020012 its reverse (210020221212), we get a palindrome (422142241224).

The spelling of 212122020012 in words is "two hundred twelve billion, one hundred twenty-two million, twenty thousand, twelve".