1299238890090 has 32 divisors (see below), whose sum is σ = 3118711277376. Its totient is φ = 346403932800.

The previous prime is 1299238890041. The next prime is 1299238890107. The reversal of 1299238890090 is 900988329921.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3558772 + ... + 3906831.

It is an arithmetic number, because the mean of its divisors is an integer number (97459727418).

Almost surely, 2^{1299238890090} is an apocalyptic number.

1299238890090 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1299238890090 is an abundant number, since it is smaller than the sum of its proper divisors (1819472387286).

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

1299238890090 is a wasteful number, since it uses less digits than its factorization.

1299238890090 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7471414.

The product of its (nonzero) digits is 5038848, while the sum is 60.

The spelling of 1299238890090 in words is "one trillion, two hundred ninety-nine billion, two hundred thirty-eight million, eight hundred ninety thousand, ninety".