1201918473830 has 16 divisors (see below), whose sum is σ = 2163510609120. Its totient is φ = 480754643712.

The previous prime is 1201918473799. The next prime is 1201918473901. The reversal of 1201918473830 is 383748191021.

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, 1192370 + ... + 1955909.

It is an arithmetic number, because the mean of its divisors is an integer number (135219413070).

Almost surely, 2^{1201918473830} is an apocalyptic number.

1201918473830 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1201918473830 is a deficient number, since it is larger than the sum of its proper divisors (961592135290).

1201918473830 is a wasteful number, since it uses less digits than its factorization.

1201918473830 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3186463.

The product of its (nonzero) digits is 290304, while the sum is 47.

The spelling of 1201918473830 in words is "one trillion, two hundred one billion, nine hundred eighteen million, four hundred seventy-three thousand, eight hundred thirty".