42121013007 has 8 divisors (see below), whose sum is σ = 56163185920. Its totient is φ = 28079757720.

The previous prime is 42121013003. The next prime is 42121013023. The reversal of 42121013007 is 70031012124.

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

It is not a de Polignac number, because 42121013007 - 2² = 42121013003 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42121013003) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 114007 + ... + 311832.

It is an arithmetic number, because the mean of its divisors is an integer number (7020398240).

Almost surely, 2^42121013007 is an apocalyptic number.

42121013007 is a deficient number, since it is larger than the sum of its proper divisors (14042172913).

42121013007 is a wasteful number, since it uses less digits than its factorization.

42121013007 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 458813.

The product of its (nonzero) digits is 336, while the sum is 21.

The spelling of 42121013007 in words is "forty-two billion, one hundred twenty-one million, thirteen thousand, seven".