121330335740 has 24 divisors (see below), whose sum is σ = 255623664912. Its totient is φ = 48374046720.

The previous prime is 121330335667. The next prime is 121330335757. The reversal of 121330335740 is 47533033121.

It is a super-2 number, since 2×121330335740² (a number of 23 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 121330335697 and 121330335706.

It is a congruent number.

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, 9874181 + ... + 9886460.

It is an arithmetic number, because the mean of its divisors is an integer number (10650986038).

Almost surely, 2^121330335740 is an apocalyptic number.

121330335740 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

121330335740 is an abundant number, since it is smaller than the sum of its proper divisors (134293329172).

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

121330335740 is a wasteful number, since it uses less digits than its factorization.

121330335740 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19760957 (or 19760955 counting only the distinct ones).

The product of its (nonzero) digits is 22680, while the sum is 32.

Adding to 121330335740 its reverse (47533033121), we get a palindrome (168863368861).

The spelling of 121330335740 in words is "one hundred twenty-one billion, three hundred thirty million, three hundred thirty-five thousand, seven hundred forty".