121221012303132 has 36 divisors (see below), whose sum is σ = 329028461967240. Its totient is φ = 34634574943584.

The previous prime is 121221012303089. The next prime is 121221012303151. The reversal of 121221012303132 is 231303210122121.

It is a super-2 number, since 2×121221012303132² (a number of 29 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 103079091507 + ... + 103079092682.

It is an arithmetic number, because the mean of its divisors is an integer number (9139679499090).

Almost surely, 2^{121221012303132} is an apocalyptic number.

121221012303132 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

121221012303132 is an abundant number, since it is smaller than the sum of its proper divisors (207807449664108).

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

121221012303132 is a wasteful number, since it uses less digits than its factorization.

121221012303132 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 206158184210 (or 206158184201 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 24.

Adding to 121221012303132 its reverse (231303210122121), we get a palindrome (352524222425253).

The spelling of 121221012303132 in words is "one hundred twenty-one trillion, two hundred twenty-one billion, twelve million, three hundred three thousand, one hundred thirty-two".