12101211212202 has 48 divisors (see below), whose sum is σ = 29966929005312. Its totient is φ = 3457255258080.

The previous prime is 12101211212179. The next prime is 12101211212239. The reversal of 12101211212202 is 20221211210121.

12101211212202 is a `hidden beast` number, since 1 + 210 + 1 + 211 + 21 + 220 + 2 = 666.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1369153 + ... + 5106564.

It is an arithmetic number, because the mean of its divisors is an integer number (624311020944).

Almost surely, 2^{12101211212202} is an apocalyptic number.

12101211212202 is an abundant number, since it is smaller than the sum of its proper divisors (17865717793110).

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

12101211212202 is a wasteful number, since it uses less digits than its factorization.

12101211212202 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6490563 (or 6490560 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 18.

Adding to 12101211212202 its reverse (20221211210121), we get a palindrome (32322422422323).

The spelling of 12101211212202 in words is "twelve trillion, one hundred one billion, two hundred eleven million, two hundred twelve thousand, two hundred two".