121093812 has 96 divisors (see below), whose sum is σ = 370442240. Its totient is φ = 33475680.

The previous prime is 121093811. The next prime is 121093813. The reversal of 121093812 is 218390121.

121093812 is nontrivially palindromic in base 5.

It is an interprime number because it is at equal distance from previous prime (121093811) and next prime (121093813).

It is a super-2 number, since 2×121093812² = 29327422609382688, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a zygodrome in base 5.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (121093811) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 20853 + ... + 26019.

Almost surely, 2^121093812 is an apocalyptic number.

121093812 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 121093812, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (185221120).

121093812 is an abundant number, since it is smaller than the sum of its proper divisors (249348428).

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

121093812 is a wasteful number, since it uses less digits than its factorization.

121093812 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5218 (or 5210 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 27.

The square root of 121093812 is about 11004.2633556272. The cubic root of 121093812 is about 494.7365356451.

The spelling of 121093812 in words is "one hundred twenty-one million, ninety-three thousand, eight hundred twelve".