700042120000 has 140 divisors (see below), whose sum is σ = 1738600122996. Its totient is φ = 279577600000.

The previous prime is 700042119983. The next prime is 700042120013. The reversal of 700042120000 is 21240007.

It can be written as a sum of positive squares in 10 ways, for example, as 650048737536 + 49993382464 = 806256^2 + 223592^2 .

It is a Harshad number since it is a multiple of its sum of digits (16).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 26106600 + ... + 26133400.

Almost surely, 2^700042120000 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 700042120000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (869300061498).

700042120000 is an abundant number, since it is smaller than the sum of its proper divisors (1038558002996).

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

700042120000 is an equidigital number, since it uses as much as digits as its factorization.

700042120000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27486 (or 27461 counting only the distinct ones).

The product of its (nonzero) digits is 112, while the sum is 16.

Adding to 700042120000 its reverse (21240007), we get a palindrome (700063360007).

The spelling of 700042120000 in words is "seven hundred billion, forty-two million, one hundred twenty thousand".