4040122212 has 60 divisors (see below), whose sum is σ = 12070495360. Its totient is φ = 1154319984.

The previous prime is 4040122189. The next prime is 4040122231. The reversal of 4040122212 is 2122210404.

4040122212 is a `hidden beast` number, since 40 + 401 + 2 + 221 + 2 = 666.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 888412 + ... + 892947.

Almost surely, 2^4040122212 is an apocalyptic number.

4040122212 is a gapful number since it is divisible by the number (42) formed by its first and last digit.

It is an amenable number.

4040122212 is an abundant number, since it is smaller than the sum of its proper divisors (8030373148).

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

4040122212 is a wasteful number, since it uses less digits than its factorization.

4040122212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1781382 (or 1781371 counting only the distinct ones).

The product of its (nonzero) digits is 256, while the sum is 18.

The square root of 4040122212 is about 63561.9556967845. The cubic root of 4040122212 is about 1592.6909079301.

Adding to 4040122212 its reverse (2122210404), we get a palindrome (6162332616).

The spelling of 4040122212 in words is "four billion, forty million, one hundred twenty-two thousand, two hundred twelve".