1213213302 has 40 divisors (see below), whose sum is σ = 3106856016. Its totient is φ = 346632048.

The previous prime is 1213213249. The next prime is 1213213319. The reversal of 1213213302 is 2033123121.

1213213302 is a `hidden beast` number, since 12 + 1 + 321 + 330 + 2 = 666.

It is a super-2 number, since 2×1213213302² = 2943773032299486408, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 533793 + ... + 536060.

Almost surely, 2^1213213302 is an apocalyptic number.

1213213302 is an abundant number, since it is smaller than the sum of its proper divisors (1893642714).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1213213302 is a wasteful number, since it uses less digits than its factorization.

1213213302 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1069874 (or 1069865 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 18.

The square root of 1213213302 is about 34831.2116068333. The cubic root of 1213213302 is about 1066.5446817317.

Adding to 1213213302 its reverse (2033123121), we get a palindrome (3246336423).

The spelling of 1213213302 in words is "one billion, two hundred thirteen million, two hundred thirteen thousand, three hundred two".