1212002122 has 16 divisors (see below), whose sum is σ = 1824840000. Its totient is φ = 603727488.

The previous prime is 1212002117. The next prime is 1212002149. The reversal of 1212002122 is 2212002121.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 969754 + ... + 971002.

It is an arithmetic number, because the mean of its divisors is an integer number (114052500).

Almost surely, 2^1212002122 is an apocalyptic number.

1212002122 is a deficient number, since it is larger than the sum of its proper divisors (612837878).

1212002122 is a wasteful number, since it uses less digits than its factorization.

1212002122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2685.

The product of its (nonzero) digits is 32, while the sum is 13.

The square root of 1212002122 is about 34813.8208474738. The cubic root of 1212002122 is about 1066.1896444943.

Adding to 1212002122 its reverse (2212002121), we get a palindrome (3424004243).

Subtracting 1212002122 from its reverse (2212002121), we obtain a palindrome (999999999).

The spelling of 1212002122 in words is "one billion, two hundred twelve million, two thousand, one hundred twenty-two".