1213002012202 has 4 divisors (see below), whose sum is σ = 1819503018306. Its totient is φ = 606501006100.

The previous prime is 1213002012199. The next prime is 1213002012221. The reversal of 1213002012202 is 2022102003121.

It is a happy number.

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., 952788779881 + 260213232321 = 976109^2 + 510111^2 .

It is a super-2 number, since 2×1213002012202² (a number of 25 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, 303250503049 + ... + 303250503052.

Almost surely, 2^{1213002012202} is an apocalyptic number.

1213002012202 is a deficient number, since it is larger than the sum of its proper divisors (606501006104).

1213002012202 is an equidigital number, since it uses as much as digits as its factorization.

1213002012202 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 606501006103.

The product of its (nonzero) digits is 96, while the sum is 16.

Adding to 1213002012202 its reverse (2022102003121), we get a palindrome (3235104015323).

The spelling of 1213002012202 in words is "one trillion, two hundred thirteen billion, two million, twelve thousand, two hundred two".