121212413030 has 16 divisors (see below), whose sum is σ = 220221432720. Its totient is φ = 48031834272.

The previous prime is 121212413029. The next prime is 121212413041. The reversal of 121212413030 is 30314212121.

It is a junction number, because it is equal to n+sod(n) for n = 121212412993 and 121212413011.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 56640245 + ... + 56642384.

It is an arithmetic number, because the mean of its divisors is an integer number (13763839545).

Almost surely, 2^121212413030 is an apocalyptic number.

121212413030 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

121212413030 is a deficient number, since it is larger than the sum of its proper divisors (99009019690).

121212413030 is a wasteful number, since it uses less digits than its factorization.

121212413030 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 113282743.

The product of its (nonzero) digits is 288, while the sum is 20.

Adding to 121212413030 its reverse (30314212121), we get a palindrome (151526625151).

The spelling of 121212413030 in words is "one hundred twenty-one billion, two hundred twelve million, four hundred thirteen thousand, thirty".