1216029463730 has 16 divisors (see below), whose sum is σ = 2198495563200. Its totient is φ = 484269001392.

The previous prime is 1216029463723. The next prime is 1216029463783. The reversal of 1216029463730 is 373649206121.

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, 267845630 + ... + 267850169.

It is an arithmetic number, because the mean of its divisors is an integer number (137405972700).

Almost surely, 2^{1216029463730} is an apocalyptic number.

1216029463730 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1216029463730 is a deficient number, since it is larger than the sum of its proper divisors (982466099470).

1216029463730 is a wasteful number, since it uses less digits than its factorization.

1216029463730 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 535696033.

The product of its (nonzero) digits is 326592, while the sum is 44.

The spelling of 1216029463730 in words is "one trillion, two hundred sixteen billion, twenty-nine million, four hundred sixty-three thousand, seven hundred thirty".