20011212010202 has 16 divisors (see below), whose sum is σ = 34305203365632. Its totient is φ = 8576166595920.

The previous prime is 20011212010189. The next prime is 20011212010211. The reversal of 20011212010202 is 20201021211002.

It is a super-2 number, since 2×20011212010202² (a number of 27 digits) contains 22 as substring.

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

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3719249 + ... + 7338612.

It is an arithmetic number, because the mean of its divisors is an integer number (2144075210352).

Almost surely, 2^{20011212010202} is an apocalyptic number.

20011212010202 is a deficient number, since it is larger than the sum of its proper divisors (14293991355430).

20011212010202 is a wasteful number, since it uses less digits than its factorization.

20011212010202 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11187133.

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

Adding to 20011212010202 its reverse (20201021211002), we get a palindrome (40212233221204).

The spelling of 20011212010202 in words is "twenty trillion, eleven billion, two hundred twelve million, ten thousand, two hundred two".