121220130311332 has 48 divisors (see below), whose sum is σ = 228774151085760. Its totient is φ = 55869208601472.

The previous prime is 121220130311321. The next prime is 121220130311359. The reversal of 121220130311332 is 233113031022121.

It is a super-2 number, since 2×121220130311332² (a number of 29 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 121220130311297 and 121220130311306.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 222445578 + ... + 222989854.

It is an arithmetic number, because the mean of its divisors is an integer number (4766128147620).

Almost surely, 2^{121220130311332} is an apocalyptic number.

It is an amenable number.

121220130311332 is a deficient number, since it is larger than the sum of its proper divisors (107554020774428).

121220130311332 is a wasteful number, since it uses less digits than its factorization.

121220130311332 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 550300 (or 550298 counting only the distinct ones).

The product of its (nonzero) digits is 1296, while the sum is 25.

Adding to 121220130311332 its reverse (233113031022121), we get a palindrome (354333161333453).

The spelling of 121220130311332 in words is "one hundred twenty-one trillion, two hundred twenty billion, one hundred thirty million, three hundred eleven thousand, three hundred thirty-two".