1210212104 has 32 divisors (see below), whose sum is σ = 2303685120. Its totient is φ = 595921536.

The previous prime is 1210212077. The next prime is 1210212109. The reversal of 1210212104 is 4012120121.

It is a happy number.

It is a super-2 number, since 2×1210212104² = 2929226673336213632, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1210212109) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 563657 + ... + 565799.

It is an arithmetic number, because the mean of its divisors is an integer number (71990160).

Almost surely, 2^1210212104 is an apocalyptic number.

It is an amenable number.

1210212104 is a deficient number, since it is larger than the sum of its proper divisors (1093473016).

1210212104 is a wasteful number, since it uses less digits than its factorization.

1210212104 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3189 (or 3185 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 14.

The square root of 1210212104 is about 34788.1029088969. The cubic root of 1210212104 is about 1065.6644971775.

Adding to 1210212104 its reverse (4012120121), we get a palindrome (5222332225).

The spelling of 1210212104 in words is "one billion, two hundred ten million, two hundred twelve thousand, one hundred four".