121132031340 has 96 divisors (see below), whose sum is σ = 343801644480. Its totient is φ = 31862476800.

The previous prime is 121132031323. The next prime is 121132031351. The reversal of 121132031340 is 43130231121.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2221200 + ... + 2275080.

It is an arithmetic number, because the mean of its divisors is an integer number (3581267130).

Almost surely, 2^121132031340 is an apocalyptic number.

121132031340 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 121132031340, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (171900822240).

121132031340 is an abundant number, since it is smaller than the sum of its proper divisors (222669613140).

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

121132031340 is a wasteful number, since it uses less digits than its factorization.

121132031340 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 54403 (or 54401 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 21.

Adding to 121132031340 its reverse (43130231121), we get a palindrome (164262262461).

The spelling of 121132031340 in words is "one hundred twenty-one billion, one hundred thirty-two million, thirty-one thousand, three hundred forty".