42122144202 has 128 divisors (see below), whose sum is σ = 94216089600. Its totient is φ = 12493730304.

The previous prime is 42122144201. The next prime is 42122144231. The reversal of 42122144202 is 20244122124.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (42122144201) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 68714448 + ... + 68715060.

It is an arithmetic number, because the mean of its divisors is an integer number (736063200).

Almost surely, 2^42122144202 is an apocalyptic number.

42122144202 is an abundant number, since it is smaller than the sum of its proper divisors (52093945398).

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

42122144202 is a wasteful number, since it uses less digits than its factorization.

42122144202 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1092.

The product of its (nonzero) digits is 2048, while the sum is 24.

Adding to 42122144202 its reverse (20244122124), we get a palindrome (62366266326).

The spelling of 42122144202 in words is "forty-two billion, one hundred twenty-two million, one hundred forty-four thousand, two hundred two".