20121303310 has 8 divisors (see below), whose sum is σ = 36218345976. Its totient is φ = 8048521320.

The previous prime is 20121303287. The next prime is 20121303337. The reversal of 20121303310 is 1330312102.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×20121303310² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1006065156 + ... + 1006065175.

It is an arithmetic number, because the mean of its divisors is an integer number (4527293247).

Almost surely, 2^20121303310 is an apocalyptic number.

20121303310 is a deficient number, since it is larger than the sum of its proper divisors (16097042666).

20121303310 is a wasteful number, since it uses less digits than its factorization.

20121303310 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2012130338.

The product of its (nonzero) digits is 108, while the sum is 16.

Adding to 20121303310 its reverse (1330312102), we get a palindrome (21451615412).

The spelling of 20121303310 in words is "twenty billion, one hundred twenty-one million, three hundred three thousand, three hundred ten".