1212510213 has 24 divisors (see below), whose sum is σ = 1907162400. Its totient is φ = 739386144.

The previous prime is 1212510181. The next prime is 1212510241. The reversal of 1212510213 is 3120152121.

It is not a de Polignac number, because 1212510213 - 2⁵ = 1212510181 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1212510253) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 117295 + ... + 127212.

It is an arithmetic number, because the mean of its divisors is an integer number (79465100).

Almost surely, 2^1212510213 is an apocalyptic number.

It is an amenable number.

1212510213 is a deficient number, since it is larger than the sum of its proper divisors (694652187).

1212510213 is a wasteful number, since it uses less digits than its factorization.

1212510213 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 244561 (or 244558 counting only the distinct ones).

The product of its (nonzero) digits is 120, while the sum is 18.

The square root of 1212510213 is about 34821.1173427850. The cubic root of 1212510213 is about 1066.3386116925.

Adding to 1212510213 its reverse (3120152121), we get a palindrome (4332662334).

The spelling of 1212510213 in words is "one billion, two hundred twelve million, five hundred ten thousand, two hundred thirteen".