10001212002 has 96 divisors (see below), whose sum is σ = 22637661696. Its totient is φ = 3187641600.

The previous prime is 10001211973. The next prime is 10001212057. The reversal of 10001212002 is 20021210001.

It is a Harshad number since it is a multiple of its sum of digits (9).

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 30214977 + ... + 30215307.

It is an arithmetic number, because the mean of its divisors is an integer number (235808976).

Almost surely, 2^10001212002 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 10001212002, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (11318830848).

10001212002 is an abundant number, since it is smaller than the sum of its proper divisors (12636449694).

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

10001212002 is a wasteful number, since it uses less digits than its factorization.

10001212002 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 856 (or 853 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 9.

Adding to 10001212002 its reverse (20021210001), we get a palindrome (30022422003).

The spelling of 10001212002 in words is "ten billion, one million, two hundred twelve thousand, two".