1216930700 has 18 divisors (see below), whose sum is σ = 2640739836. Its totient is φ = 486772240.

The previous prime is 1216930679. The next prime is 1216930727. The reversal of 1216930700 is 70396121.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 6084554 + ... + 6084753.

Almost surely, 2^1216930700 is an apocalyptic number.

1216930700 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1216930700 is an abundant number, since it is smaller than the sum of its proper divisors (1423809136).

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

1216930700 is a wasteful number, since it uses less digits than its factorization.

1216930700 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12169321 (or 12169314 counting only the distinct ones).

The product of its (nonzero) digits is 2268, while the sum is 29.

The square root of 1216930700 is about 34884.5338223116. The cubic root of 1216930700 is about 1067.6329016031.

The spelling of 1216930700 in words is "one billion, two hundred sixteen million, nine hundred thirty thousand, seven hundred".