20121301302 has 32 divisors (see below), whose sum is σ = 42368572800. Its totient is φ = 6352904448.

The previous prime is 20121301259. The next prime is 20121301309. The reversal of 20121301302 is 20310312102.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20121301309) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 749353 + ... + 775739.

It is an arithmetic number, because the mean of its divisors is an integer number (1324017900).

Almost surely, 2^20121301302 is an apocalyptic number.

20121301302 is an abundant number, since it is smaller than the sum of its proper divisors (22247271498).

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

20121301302 is a wasteful number, since it uses less digits than its factorization.

20121301302 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 33100.

The product of its (nonzero) digits is 72, while the sum is 15.

Adding to 20121301302 its reverse (20310312102), we get a palindrome (40431613404).

The spelling of 20121301302 in words is "twenty billion, one hundred twenty-one million, three hundred one thousand, three hundred two".