42003121002 has 32 divisors (see below), whose sum is σ = 85341407424. Its totient is φ = 13780108800.

The previous prime is 42003120979. The next prime is 42003121073. The reversal of 42003121002 is 20012130024.

42003121002 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 94024 + ... + 304707.

It is an arithmetic number, because the mean of its divisors is an integer number (2666918982).

Almost surely, 2^42003121002 is an apocalyptic number.

42003121002 is an abundant number, since it is smaller than the sum of its proper divisors (43338286422).

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

42003121002 is a wasteful number, since it uses less digits than its factorization.

42003121002 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 399014.

The product of its (nonzero) digits is 96, while the sum is 15.

Adding to 42003121002 its reverse (20012130024), we get a palindrome (62015251026).

The spelling of 42003121002 in words is "forty-two billion, three million, one hundred twenty-one thousand, two".