12212011021202 has 4 divisors (see below), whose sum is σ = 18318016531806. Its totient is φ = 6106005510600.

The previous prime is 12212011021159. The next prime is 12212011021213. The reversal of 12212011021202 is 20212011021221.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 8183484341041 + 4028526680161 = 2860679^2 + 2007119^2 .

It is a super-2 number, since 2×12212011021202² (a number of 27 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3053002755299 + ... + 3053002755302.

Almost surely, 2^{12212011021202} is an apocalyptic number.

12212011021202 is a deficient number, since it is larger than the sum of its proper divisors (6106005510604).

12212011021202 is an equidigital number, since it uses as much as digits as its factorization.

12212011021202 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6106005510603.

The product of its (nonzero) digits is 64, while the sum is 17.

Adding to 12212011021202 its reverse (20212011021221), we get a palindrome (32424022042423).

The spelling of 12212011021202 in words is "twelve trillion, two hundred twelve billion, eleven million, twenty-one thousand, two hundred two".