402012142402222 has 16 divisors (see below), whose sum is σ = 657979552350000. Its totient is φ = 182693486127040.

The previous prime is 402012142402219. The next prime is 402012142402243. The reversal of 402012142402222 is 222204241210204.

It is a super-2 number, since 2×402012142402222² (a number of 30 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1965189097 + ... + 1965393652.

It is an arithmetic number, because the mean of its divisors is an integer number (41123722021875).

Almost surely, 2^{402012142402222} is an apocalyptic number.

402012142402222 is a deficient number, since it is larger than the sum of its proper divisors (255967409947778).

402012142402222 is a wasteful number, since it uses less digits than its factorization.

402012142402222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3930587411.

The product of its (nonzero) digits is 8192, while the sum is 28.

Adding to 402012142402222 its reverse (222204241210204), we get a palindrome (624216383612426).

The spelling of 402012142402222 in words is "four hundred two trillion, twelve billion, one hundred forty-two million, four hundred two thousand, two hundred twenty-two".