402212422142 has 16 divisors (see below), whose sum is σ = 608149734912. Its totient is φ = 199496263680.

The previous prime is 402212422069. The next prime is 402212422147. The reversal of 402212422142 is 241224212204.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (402212422147) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1890638 + ... + 2092590.

It is an arithmetic number, because the mean of its divisors is an integer number (38009358432).

Almost surely, 2^402212422142 is an apocalyptic number.

402212422142 is a deficient number, since it is larger than the sum of its proper divisors (205937312770).

402212422142 is a wasteful number, since it uses less digits than its factorization.

402212422142 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 209923.

The product of its (nonzero) digits is 4096, while the sum is 26.

Adding to 402212422142 its reverse (241224212204), we get a palindrome (643436634346).

The spelling of 402212422142 in words is "four hundred two billion, two hundred twelve million, four hundred twenty-two thousand, one hundred forty-two".