20212211012 has 48 divisors (see below), whose sum is σ = 40814444160. Its totient is φ = 8578924032.

The previous prime is 20212211011. The next prime is 20212211023. The reversal of 20212211012 is 21011221202.

It is a super-2 number, since 2×20212211012² (a number of 21 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (14).

It is not an unprimeable number, because it can be changed into a prime (20212211011) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 7835939 + ... + 7838517.

It is an arithmetic number, because the mean of its divisors is an integer number (850300920).

Almost surely, 2^20212211012 is an apocalyptic number.

It is an amenable number.

20212211012 is an abundant number, since it is smaller than the sum of its proper divisors (20602233148).

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

20212211012 is a wasteful number, since it uses less digits than its factorization.

20212211012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5180 (or 5178 counting only the distinct ones).

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

Adding to 20212211012 its reverse (21011221202), we get a palindrome (41223432214).

The spelling of 20212211012 in words is "twenty billion, two hundred twelve million, two hundred eleven thousand, twelve".