4112121402 has 12 divisors (see below), whose sum is σ = 8909596410. Its totient is φ = 1370707128.

The previous prime is 4112121389. The next prime is 4112121421. The reversal of 4112121402 is 2041212114.

4112121402 is a `hidden beast` number, since 411 + 212 + 1 + 40 + 2 = 666.

It can be written as a sum of positive squares in only one way, i.e., 3894883281 + 217238121 = 62409^2 + 14739^2 .

It is a Harshad number since it is a multiple of its sum of digits (18), and also a Moran number because the ratio is a prime number: 228451189 = 4112121402 / (4 + 1 + 1 + 2 + 1 + 2 + 1 + 4 + 0 + 2).

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 114225577 + ... + 114225612.

Almost surely, 2^4112121402 is an apocalyptic number.

4112121402 is an abundant number, since it is smaller than the sum of its proper divisors (4797475008).

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

4112121402 is a wasteful number, since it uses less digits than its factorization.

4112121402 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 228451197 (or 228451194 counting only the distinct ones).

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

The square root of 4112121402 is about 64125.8247666258. The cubic root of 4112121402 is about 1602.0963928963.

Adding to 4112121402 its reverse (2041212114), we get a palindrome (6153333516).

The spelling of 4112121402 in words is "four billion, one hundred twelve million, one hundred twenty-one thousand, four hundred two".