121130012132 has 24 divisors (see below), whose sum is σ = 212338639800. Its totient is φ = 60461888256.

The previous prime is 121130012119. The next prime is 121130012149. The reversal of 121130012132 is 231210031121.

It can be written as a sum of positive squares in 4 ways, for example, as 85039891456 + 36090120676 = 291616^2 + 189974^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 121130012132.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 12394544 + ... + 12404312.

It is an arithmetic number, because the mean of its divisors is an integer number (8847443325).

Almost surely, 2^121130012132 is an apocalyptic number.

It is an amenable number.

121130012132 is a deficient number, since it is larger than the sum of its proper divisors (91208627668).

121130012132 is a wasteful number, since it uses less digits than its factorization.

121130012132 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14735 (or 14733 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 17.

Adding to 121130012132 its reverse (231210031121), we get a palindrome (352340043253).

The spelling of 121130012132 in words is "one hundred twenty-one billion, one hundred thirty million, twelve thousand, one hundred thirty-two".