32121233213413 has 4 divisors (see below), whose sum is σ = 33228861944940. Its totient is φ = 31013604481888.

The previous prime is 32121233213371. The next prime is 32121233213449. The reversal of 32121233213413 is 31431233212123.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 27541902849444 + 4579330363969 = 5248038^2 + 2139937^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-32121233213413 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (32121233217413) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 553814365720 + ... + 553814365777.

It is an arithmetic number, because the mean of its divisors is an integer number (8307215486235).

Almost surely, 2^{32121233213413} is an apocalyptic number.

It is an amenable number.

32121233213413 is a deficient number, since it is larger than the sum of its proper divisors (1107628731527).

32121233213413 is a wasteful number, since it uses less digits than its factorization.

32121233213413 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1107628731526.

The product of its digits is 15552, while the sum is 31.

Adding to 32121233213413 its reverse (31431233212123), we get a palindrome (63552466425536).

The spelling of 32121233213413 in words is "thirty-two trillion, one hundred twenty-one billion, two hundred thirty-three million, two hundred thirteen thousand, four hundred thirteen".