20002102211212 has 24 divisors (see below), whose sum is σ = 38460549718080. Its totient is φ = 9026455540560.

The previous prime is 20002102211207. The next prime is 20002102211219. The reversal of 20002102211212 is 21211220120002.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (20002102211219) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1635221338 + ... + 1635233569.

It is an arithmetic number, because the mean of its divisors is an integer number (1602522904920).

Almost surely, 2^{20002102211212} is an apocalyptic number.

20002102211212 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is an amenable number.

20002102211212 is a deficient number, since it is larger than the sum of its proper divisors (18458447506868).

20002102211212 is a wasteful number, since it uses less digits than its factorization.

20002102211212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3270455061 (or 3270455059 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 16.

Adding to 20002102211212 its reverse (21211220120002), we get a palindrome (41213322331214).

The spelling of 20002102211212 in words is "twenty trillion, two billion, one hundred two million, two hundred eleven thousand, two hundred twelve".