201124023212 has 24 divisors (see below), whose sum is σ = 402258286080. Its totient is φ = 86193815760.

The previous prime is 201124023211. The next prime is 201124023257. The reversal of 201124023212 is 212320421102.

It is a super-2 number, since 2×201124023212² (a number of 23 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (201124023211) 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, 1537037 + ... + 1662747.

It is an arithmetic number, because the mean of its divisors is an integer number (16760761920).

Almost surely, 2^201124023212 is an apocalyptic number.

It is an amenable number.

201124023212 is an abundant number, since it is smaller than the sum of its proper divisors (201134262868).

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

201124023212 is a wasteful number, since it uses less digits than its factorization.

201124023212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 182861 (or 182859 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 20.

Adding to 201124023212 its reverse (212320421102), we get a palindrome (413444444314).

The spelling of 201124023212 in words is "two hundred one billion, one hundred twenty-four million, twenty-three thousand, two hundred twelve".