42122102402 has 8 divisors (see below), whose sum is σ = 66508582800. Its totient is φ = 19952574804.

The previous prime is 42122102389. The next prime is 42122102423. The reversal of 42122102402 is 20420122124.

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

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 554238152 + ... + 554238227.

It is an arithmetic number, because the mean of its divisors is an integer number (8313572850).

Almost surely, 2^42122102402 is an apocalyptic number.

42122102402 is a deficient number, since it is larger than the sum of its proper divisors (24386480398).

42122102402 is a wasteful number, since it uses less digits than its factorization.

42122102402 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1108476400.

The product of its (nonzero) digits is 512, while the sum is 20.

Adding to 42122102402 its reverse (20420122124), we get a palindrome (62542224526).

The spelling of 42122102402 in words is "forty-two billion, one hundred twenty-two million, one hundred two thousand, four hundred two".