121412214 has 96 divisors (see below), whose sum is σ = 330220800. Its totient is φ = 31320000.

The previous prime is 121412209. The next prime is 121412219. The reversal of 121412214 is 412214121.

It is an interprime number because it is at equal distance from previous prime (121412209) and next prime (121412219).

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (121412219) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 347712 + ... + 348060.

It is an arithmetic number, because the mean of its divisors is an integer number (3439800).

Almost surely, 2^121412214 is an apocalyptic number.

121412214 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 121412214, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (165110400).

121412214 is an abundant number, since it is smaller than the sum of its proper divisors (208808586).

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

121412214 is a wasteful number, since it uses less digits than its factorization.

121412214 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 626 (or 623 counting only the distinct ones).

The product of its digits is 128, while the sum is 18.

The square root of 121412214 is about 11018.7210691622. The cubic root of 121412214 is about 495.1697734149.

Adding to 121412214 its reverse (412214121), we get a palindrome (533626335).

It can be divided in two parts, 121 and 412214, that multiplied together give a palindrome (49877894).

The spelling of 121412214 in words is "one hundred twenty-one million, four hundred twelve thousand, two hundred fourteen".