20212110011012 has 12 divisors (see below), whose sum is σ = 35575650280716. Its totient is φ = 10047638502240.

The previous prime is 20212110011011. The next prime is 20212110011021. The reversal of 20212110011012 is 21011001121202.

It can be written as a sum of positive squares in 2 ways, for example, as 11666637597316 + 8545472413696 = 3415646^2 + 2923264^2 .

It is a super-2 number, since 2×20212110011012² (a number of 27 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (20212110011011) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 14604125039 + ... + 14604126422.

It is an arithmetic number, because the mean of its divisors is an integer number (2964637523393).

Almost surely, 2^{20212110011012} is an apocalyptic number.

It is an amenable number.

20212110011012 is a deficient number, since it is larger than the sum of its proper divisors (15363540269704).

20212110011012 is a wasteful number, since it uses less digits than its factorization.

20212110011012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 29208251638 (or 29208251636 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 14.

Adding to 20212110011012 its reverse (21011001121202), we get a palindrome (41223111132214).

The spelling of 20212110011012 in words is "twenty trillion, two hundred twelve billion, one hundred ten million, eleven thousand, twelve".