1212103002202 has 4 divisors (see below), whose sum is σ = 1818154503306. Its totient is φ = 606051501100.

The previous prime is 1212103002191. The next prime is 1212103002263. The reversal of 1212103002202 is 2022003012121.

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., 1194082893081 + 18020109121 = 1092741^2 + 134239^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 303025750549 + ... + 303025750552.

Almost surely, 2^{1212103002202} is an apocalyptic number.

1212103002202 is a deficient number, since it is larger than the sum of its proper divisors (606051501104).

1212103002202 is an equidigital number, since it uses as much as digits as its factorization.

1212103002202 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 606051501103.

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

Adding to 1212103002202 its reverse (2022003012121), we get a palindrome (3234106014323).

The spelling of 1212103002202 in words is "one trillion, two hundred twelve billion, one hundred three million, two thousand, two hundred two".