212200401042 has 24 divisors (see below), whose sum is σ = 525448612416. Its totient is φ = 60628685976.

The previous prime is 212200401031. The next prime is 212200401047. The reversal of 212200401042 is 240104002212.

212200401042 is a `hidden beast` number, since 2 + 1 + 220 + 0 + 401 + 0 + 42 = 666.

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

It is not an unprimeable number, because it can be changed into a prime (212200401047) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 842064958 + ... + 842065209.

It is an arithmetic number, because the mean of its divisors is an integer number (21893692184).

Almost surely, 2^212200401042 is an apocalyptic number.

212200401042 is an abundant number, since it is smaller than the sum of its proper divisors (313248211374).

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

212200401042 is a wasteful number, since it uses less digits than its factorization.

212200401042 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1684130182 (or 1684130179 counting only the distinct ones).

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

Adding to 212200401042 its reverse (240104002212), we get a palindrome (452304403254).

The spelling of 212200401042 in words is "two hundred twelve billion, two hundred million, four hundred one thousand, forty-two".