121412130 has 128 divisors (see below), whose sum is σ = 358318080. Its totient is φ = 25697280.

The previous prime is 121412119. The next prime is 121412141. The reversal of 121412130 is 31214121.

It is an interprime number because it is at equal distance from previous prime (121412119) and next prime (121412141).

It is a super-2 number, since 2×121412130² = 29481810622273800, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 253231 + ... + 253709.

It is an arithmetic number, because the mean of its divisors is an integer number (2799360).

Almost surely, 2^121412130 is an apocalyptic number.

121412130 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 121412130, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (179159040).

121412130 is an abundant number, since it is smaller than the sum of its proper divisors (236905950).

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

121412130 is a wasteful number, since it uses less digits than its factorization.

121412130 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 584.

The product of its (nonzero) digits is 48, while the sum is 15.

The square root of 121412130 is about 11018.7172574670. The cubic root of 121412130 is about 495.1696592191.

Adding to 121412130 its reverse (31214121), we get a palindrome (152626251).

The spelling of 121412130 in words is "one hundred twenty-one million, four hundred twelve thousand, one hundred thirty".