1301213212 has 24 divisors (see below), whose sum is σ = 2461041072. Its totient is φ = 598416000.

The previous prime is 1301213191. The next prime is 1301213227. The reversal of 1301213212 is 2123121031.

It is a congruent 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, 29914 + ... + 59137.

It is an arithmetic number, because the mean of its divisors is an integer number (102543378).

Almost surely, 2^1301213212 is an apocalyptic number.

It is an amenable number.

1301213212 is a deficient number, since it is larger than the sum of its proper divisors (1159827860).

1301213212 is a wasteful number, since it uses less digits than its factorization.

1301213212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 89349 (or 89347 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 16.

The square root of 1301213212 is about 36072.3330545724. Note that the first 3 decimals coincide. The cubic root of 1301213212 is about 1091.7322879990.

Adding to 1301213212 its reverse (2123121031), we get a palindrome (3424334243).

The spelling of 1301213212 in words is "one billion, three hundred one million, two hundred thirteen thousand, two hundred twelve".