20212202012 has 12 divisors (see below), whose sum is σ = 35721565656. Its totient is φ = 10006040400.

The previous prime is 20212202009. The next prime is 20212202041. The reversal of 20212202012 is 21020221202.

It is a super-2 number, since 2×20212202012² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 25014698 + ... + 25015505.

It is an arithmetic number, because the mean of its divisors is an integer number (2976797138).

Almost surely, 2^20212202012 is an apocalyptic number.

It is an amenable number.

20212202012 is a deficient number, since it is larger than the sum of its proper divisors (15509363644).

20212202012 is a wasteful number, since it uses less digits than its factorization.

20212202012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 50030308 (or 50030306 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 14.

Adding to 20212202012 its reverse (21020221202), we get a palindrome (41232423214).

The spelling of 20212202012 in words is "twenty billion, two hundred twelve million, two hundred two thousand, twelve".