32121230133102 has 64 divisors (see below), whose sum is σ = 70831616334336. Its totient is φ = 9629870722560.

The previous prime is 32121230133089. The next prime is 32121230133107. The reversal of 32121230133102 is 20133103212123.

It is a super-2 number, since 2×32121230133102² (a number of 28 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (32121230133107) 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, 4735258 + ... + 9309410.

It is an arithmetic number, because the mean of its divisors is an integer number (1106744005224).

Almost surely, 2^{32121230133102} is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 32121230133102, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (35415808167168).

32121230133102 is an abundant number, since it is smaller than the sum of its proper divisors (38710386201234).

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

32121230133102 is a wasteful number, since it uses less digits than its factorization.

32121230133102 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4575305.

The product of its (nonzero) digits is 1296, while the sum is 24.

Adding to 32121230133102 its reverse (20133103212123), we get a palindrome (52254333345225).

The spelling of 32121230133102 in words is "thirty-two trillion, one hundred twenty-one billion, two hundred thirty million, one hundred thirty-three thousand, one hundred two".