1213339701290 has 32 divisors (see below), whose sum is σ = 2203767331344. Its totient is φ = 480957972480.

The previous prime is 1213339701229. The next prime is 1213339701307. The reversal of 1213339701290 is 921079333121.

It is a Cunningham number, because it is equal to 1101517²+1.

It can be written as a sum of positive squares in 8 ways, for example, as 1190601775609 + 22737925681 = 1091147^2 + 150791^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 23030 + ... + 1557950.

Almost surely, 2^{1213339701290} is an apocalyptic number.

1213339701290 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1213339701290 is a deficient number, since it is larger than the sum of its proper divisors (990427630054).

1213339701290 is a wasteful number, since it uses less digits than its factorization.

1213339701290 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1535642.

The product of its (nonzero) digits is 61236, while the sum is 41.

The spelling of 1213339701290 in words is "one trillion, two hundred thirteen billion, three hundred thirty-nine million, seven hundred one thousand, two hundred ninety".