4140040123212 has 48 divisors (see below), whose sum is σ = 11101102102272. Its totient is φ = 1176333416640.

The previous prime is 4140040123199. The next prime is 4140040123249. The reversal of 4140040123212 is 2123210400414.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 136134498 + ... + 136164905.

It is an arithmetic number, because the mean of its divisors is an integer number (231272960464).

Almost surely, 2^{4140040123212} is an apocalyptic number.

4140040123212 is a gapful number since it is divisible by the number (42) formed by its first and last digit.

It is an amenable number.

4140040123212 is an abundant number, since it is smaller than the sum of its proper divisors (6961061979060).

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

4140040123212 is a wasteful number, since it uses less digits than its factorization.

4140040123212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 272299598 (or 272299596 counting only the distinct ones).

The product of its (nonzero) digits is 1536, while the sum is 24.

Adding to 4140040123212 its reverse (2123210400414), we get a palindrome (6263250523626).

The spelling of 4140040123212 in words is "four trillion, one hundred forty billion, forty million, one hundred twenty-three thousand, two hundred twelve".