90232130121213 has 32 divisors (see below), whose sum is σ = 123963062452992. Its totient is φ = 58345136038400.

The previous prime is 90232130121169. The next prime is 90232130121223. The reversal of 90232130121213 is 31212103123209.

It is a cyclic number.

It is not a de Polignac number, because 90232130121213 - 2¹⁷ = 90232129990141 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (90232130121223) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 425282431 + ... + 425494547.

It is an arithmetic number, because the mean of its divisors is an integer number (3873845701656).

Almost surely, 2^{90232130121213} is an apocalyptic number.

It is an amenable number.

90232130121213 is a deficient number, since it is larger than the sum of its proper divisors (33730932331779).

90232130121213 is a wasteful number, since it uses less digits than its factorization.

90232130121213 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 232325.

The product of its (nonzero) digits is 3888, while the sum is 30.

The spelling of 90232130121213 in words is "ninety trillion, two hundred thirty-two billion, one hundred thirty million, one hundred twenty-one thousand, two hundred thirteen".