1222212220202 has 8 divisors (see below), whose sum is σ = 1929808768800. Its totient is φ = 578942630604.

The previous prime is 1222212220199. The next prime is 1222212220223. The reversal of 1222212220202 is 2020222122221.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×1222212220202² (a number of 25 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 16081739702 + ... + 16081739777.

It is an arithmetic number, because the mean of its divisors is an integer number (241226096100).

Almost surely, 2^{1222212220202} is an apocalyptic number.

1222212220202 is a deficient number, since it is larger than the sum of its proper divisors (707596548598).

1222212220202 is a wasteful number, since it uses less digits than its factorization.

1222212220202 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 32163479500.

The product of its (nonzero) digits is 512, while the sum is 20.

Adding to 1222212220202 its reverse (2020222122221), we get a palindrome (3242434342423).

The spelling of 1222212220202 in words is "one trillion, two hundred twenty-two billion, two hundred twelve million, two hundred twenty thousand, two hundred two".