402000143122 has 8 divisors (see below), whose sum is σ = 603046613376. Its totient is φ = 200984605332.

The previous prime is 402000143117. The next prime is 402000143123. The reversal of 402000143122 is 221341000204.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a self number, because there is not a number n which added to its sum of digits gives 402000143122.

It is not an unprimeable number, because it can be changed into a prime (402000143123) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7700598 + ... + 7752625.

It is an arithmetic number, because the mean of its divisors is an integer number (75380826672).

Almost surely, 2^402000143122 is an apocalyptic number.

402000143122 is a deficient number, since it is larger than the sum of its proper divisors (201046470254).

402000143122 is a wasteful number, since it uses less digits than its factorization.

402000143122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15466232.

The product of its (nonzero) digits is 384, while the sum is 19.

Adding to 402000143122 its reverse (221341000204), we get a palindrome (623341143326).

The spelling of 402000143122 in words is "four hundred two billion, one hundred forty-three thousand, one hundred twenty-two".