20102210012 has 48 divisors (see below), whose sum is σ = 36180103680. Its totient is φ = 9768333312.

The previous prime is 20102209991. The next prime is 20102210033. The reversal of 20102210012 is 21001220102.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (20102209991) and next prime (20102210033).

It is a junction number, because it is equal to n+sod(n) for n = 20102209975 and 20102210002.

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 15 ways as a sum of consecutive naturals, for example, 27201539 + ... + 27202277.

It is an arithmetic number, because the mean of its divisors is an integer number (753752160).

Almost surely, 2^20102210012 is an apocalyptic number.

It is an amenable number.

20102210012 is a deficient number, since it is larger than the sum of its proper divisors (16077893668).

20102210012 is a wasteful number, since it uses less digits than its factorization.

20102210012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1610 (or 1608 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 11.

Adding to 20102210012 its reverse (21001220102), we get a palindrome (41103430114).

It can be divided in two parts, 20102 and 210012, that multiplied together give a palindrome (4221661224).

The spelling of 20102210012 in words is "twenty billion, one hundred two million, two hundred ten thousand, twelve".