10040123212 has 12 divisors (see below), whose sum is σ = 20080246480. Its totient is φ = 4302909936.

The previous prime is 10040123207. The next prime is 10040123267. The reversal of 10040123212 is 21232104001.

10040123212 is an admirable number.

It is a super-2 number, since 2×10040123212² (a number of 21 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 179287887 + ... + 179287942.

Almost surely, 2^10040123212 is an apocalyptic number.

It is an amenable number.

10040123212 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

10040123212 is a wasteful number, since it uses less digits than its factorization.

10040123212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 358575840 (or 358575838 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 16.

Adding to 10040123212 its reverse (21232104001), we get a palindrome (31272227213).

The spelling of 10040123212 in words is "ten billion, forty million, one hundred twenty-three thousand, two hundred twelve".