10121320002 has 16 divisors (see below), whose sum is σ = 20256842592. Its totient is φ = 3371406240.

The previous prime is 10121319979. The next prime is 10121320003. The reversal of 10121320002 is 20002312101.

It is a super-2 number, since 2×10121320002² (a number of 21 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 10121320002.

It is not an unprimeable number, because it can be changed into a prime (10121320003) 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, 582499 + ... + 599622.

It is an arithmetic number, because the mean of its divisors is an integer number (1266052662).

Almost surely, 2^10121320002 is an apocalyptic number.

10121320002 is an abundant number, since it is smaller than the sum of its proper divisors (10135522590).

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

10121320002 is a wasteful number, since it uses less digits than its factorization.

10121320002 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1183553.

The product of its (nonzero) digits is 24, while the sum is 12.

Adding to 10121320002 its reverse (20002312101), we get a palindrome (30123632103).

The spelling of 10121320002 in words is "ten billion, one hundred twenty-one million, three hundred twenty thousand, two".