12212001212202 has 96 divisors (see below), whose sum is σ = 28886907778560. Its totient is φ = 3697764579360.

The previous prime is 12212001212197. The next prime is 12212001212227. The reversal of 12212001212202 is 20221210021221.

It is a happy number.

12212001212202 is a `hidden beast` number, since 1 + 221 + 200 + 1 + 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 polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 2585642613 + ... + 2585647335.

It is an arithmetic number, because the mean of its divisors is an integer number (300905289360).

Almost surely, 2^{12212001212202} is an apocalyptic number.

12212001212202 is an abundant number, since it is smaller than the sum of its proper divisors (16674906566358).

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

12212001212202 is a wasteful number, since it uses less digits than its factorization.

12212001212202 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12008 (or 12005 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 18.

Adding to 12212001212202 its reverse (20221210021221), we get a palindrome (32433211233423).

The spelling of 12212001212202 in words is "twelve trillion, two hundred twelve billion, one million, two hundred twelve thousand, two hundred two".