121677612 has 96 divisors (see below), whose sum is σ = 334623744. Its totient is φ = 33696000.

The previous prime is 121677607. The next prime is 121677631. The reversal of 121677612 is 216776121.

It is a nude number because it is divisible by every one of its digits.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 672162 + ... + 672342.

It is an arithmetic number, because the mean of its divisors is an integer number (3485664).

Almost surely, 2^121677612 is an apocalyptic number.

121677612 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 121677612, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (167311872).

121677612 is an abundant number, since it is smaller than the sum of its proper divisors (212946132).

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

121677612 is a wasteful number, since it uses less digits than its factorization.

121677612 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 399 (or 397 counting only the distinct ones).

The product of its digits is 7056, while the sum is 33.

The square root of 121677612 is about 11030.7575442487. The cubic root of 121677612 is about 495.5303121761.

The spelling of 121677612 in words is "one hundred twenty-one million, six hundred seventy-seven thousand, six hundred twelve".