34121215002 has 64 divisors (see below), whose sum is σ = 79356902400. Its totient is φ = 9578407680.

The previous prime is 34121214997. The next prime is 34121215019. The reversal of 34121215002 is 20051212143.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a self number, because there is not a number n which added to its sum of digits gives 34121215002.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 7478802 + ... + 7483362.

It is an arithmetic number, because the mean of its divisors is an integer number (1239951600).

Almost surely, 2^34121215002 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 34121215002, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (39678451200).

34121215002 is an abundant number, since it is smaller than the sum of its proper divisors (45235687398).

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

34121215002 is a wasteful number, since it uses less digits than its factorization.

34121215002 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7651.

The product of its (nonzero) digits is 480, while the sum is 21.

Adding to 34121215002 its reverse (20051212143), we get a palindrome (54172427145).

The spelling of 34121215002 in words is "thirty-four billion, one hundred twenty-one million, two hundred fifteen thousand, two".