121451411630 has 32 divisors (see below), whose sum is σ = 218930947200. Its totient is φ = 48509868832.

The previous prime is 121451411629. The next prime is 121451411681. The reversal of 121451411630 is 36114154121.

It is a junction number, because it is equal to n+sod(n) for n = 121451411593 and 121451411602.

It is a congruent number.

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, 30956849 + ... + 30960771.

It is an arithmetic number, because the mean of its divisors is an integer number (6841592100).

Almost surely, 2^121451411630 is an apocalyptic number.

121451411630 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

121451411630 is a deficient number, since it is larger than the sum of its proper divisors (97479535570).

121451411630 is a wasteful number, since it uses less digits than its factorization.

121451411630 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7648.

The product of its (nonzero) digits is 2880, while the sum is 29.

Adding to 121451411630 its reverse (36114154121), we get a palindrome (157565565751).

The spelling of 121451411630 in words is "one hundred twenty-one billion, four hundred fifty-one million, four hundred eleven thousand, six hundred thirty".