4012201121 has 8 divisors (see below), whose sum is σ = 4196646720. Its totient is φ = 3828589072.

The previous prime is 4012201111. The next prime is 4012201157. The reversal of 4012201121 is 1211022104.

It is a happy number.

4012201121 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 4012201121 - 2⁶ = 4012201057 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 4012201096 and 4012201105.

It is not an unprimeable number, because it can be changed into a prime (4012201111) 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, 198530 + ... + 217803.

It is an arithmetic number, because the mean of its divisors is an integer number (524580840).

Almost surely, 2^4012201121 is an apocalyptic number.

It is an amenable number.

4012201121 is a deficient number, since it is larger than the sum of its proper divisors (184445599).

4012201121 is a wasteful number, since it uses less digits than its factorization.

4012201121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 416775.

The product of its (nonzero) digits is 32, while the sum is 14.

The square root of 4012201121 is about 63341.9380900206. The cubic root of 4012201121 is about 1589.0134197125.

Adding to 4012201121 its reverse (1211022104), we get a palindrome (5223223225).

The spelling of 4012201121 in words is "four billion, twelve million, two hundred one thousand, one hundred twenty-one".