4212123031 has 16 divisors (see below), whose sum is σ = 4584414240. Its totient is φ = 3853854720.

The previous prime is 4212123011. The next prime is 4212123043. The reversal of 4212123031 is 1303212124.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 4212123031 - 2¹³ = 4212114839 is a prime.

It is a super-2 number, since 2×4212123031² = 35483960856561253922, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4212123011) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 991071 + ... + 995311.

It is an arithmetic number, because the mean of its divisors is an integer number (286525890).

Almost surely, 2^4212123031 is an apocalyptic number.

4212123031 is a deficient number, since it is larger than the sum of its proper divisors (372291209).

4212123031 is a wasteful number, since it uses less digits than its factorization.

4212123031 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5874.

The product of its (nonzero) digits is 288, while the sum is 19.

The square root of 4212123031 is about 64900.8708030948. The cubic root of 4212123031 is about 1614.9795076429.

Adding to 4212123031 its reverse (1303212124), we get a palindrome (5515335155).

The spelling of 4212123031 in words is "four billion, two hundred twelve million, one hundred twenty-three thousand, thirty-one".