4121981202 has 16 divisors (see below), whose sum is σ = 8602395840. Its totient is φ = 1314254832.

The previous prime is 4121981173. The next prime is 4121981203. The reversal of 4121981202 is 2021891214.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 4121981202.

It is not an unprimeable number, because it can be changed into a prime (4121981203) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 14934577 + ... + 14934852.

It is an arithmetic number, because the mean of its divisors is an integer number (537649740).

Almost surely, 2^4121981202 is an apocalyptic number.

4121981202 is an abundant number, since it is smaller than the sum of its proper divisors (4480414638).

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

4121981202 is a wasteful number, since it uses less digits than its factorization.

4121981202 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 29869457.

The product of its (nonzero) digits is 2304, while the sum is 30.

The square root of 4121981202 is about 64202.6572814553. The cubic root of 4121981202 is about 1603.3758413107.

The spelling of 4121981202 in words is "four billion, one hundred twenty-one million, nine hundred eighty-one thousand, two hundred two".