20120233012 has 12 divisors (see below), whose sum is σ = 38411354016. Its totient is φ = 9145560440.

The previous prime is 20120233009. The next prime is 20120233019. The reversal of 20120233012 is 21033202102.

It is a super-3 number, since 3×20120233012³ (a number of 32 digits) contains 333 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20120233019) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 228638968 + ... + 228639055.

It is an arithmetic number, because the mean of its divisors is an integer number (3200946168).

Almost surely, 2^20120233012 is an apocalyptic number.

20120233012 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is an amenable number.

20120233012 is a deficient number, since it is larger than the sum of its proper divisors (18291121004).

20120233012 is a wasteful number, since it uses less digits than its factorization.

20120233012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 457278038 (or 457278036 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 16.

Adding to 20120233012 its reverse (21033202102), we get a palindrome (41153435114).

The spelling of 20120233012 in words is "twenty billion, one hundred twenty million, two hundred thirty-three thousand, twelve".