70012421000 has 128 divisors (see below), whose sum is σ = 165460838400. Its totient is φ = 27727571200.

The previous prime is 70012420999. The next prime is 70012421009. The reversal of 70012421000 is 12421007.

It is a self number, because there is not a number n which added to its sum of digits gives 70012421000.

It is not an unprimeable number, because it can be changed into a prime (70012421009) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 47082257 + ... + 47083743.

It is an arithmetic number, because the mean of its divisors is an integer number (1292662800).

Almost surely, 2^70012421000 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 70012421000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (82730419200).

70012421000 is an abundant number, since it is smaller than the sum of its proper divisors (95448417400).

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

70012421000 is a wasteful number, since it uses less digits than its factorization.

70012421000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1944 (or 1930 counting only the distinct ones).

The product of its (nonzero) digits is 112, while the sum is 17.

Adding to 70012421000 its reverse (12421007), we get a palindrome (70024842007).

The spelling of 70012421000 in words is "seventy billion, twelve million, four hundred twenty-one thousand".