1301122002120 has 64 divisors (see below), whose sum is σ = 4132975777920. Its totient is φ = 326556109824.

The previous prime is 1301122002109. The next prime is 1301122002121. The reversal of 1301122002120 is 212002211031.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a self number, because there is not a number n which added to its sum of digits gives 1301122002120.

It is not an unprimeable number, because it can be changed into a prime (1301122002121) 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, 318900412 + ... + 318904491.

It is an arithmetic number, because the mean of its divisors is an integer number (64577746530).

Almost surely, 2^{1301122002120} is an apocalyptic number.

1301122002120 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1301122002120 is an abundant number, since it is smaller than the sum of its proper divisors (2831853775800).

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

1301122002120 is a wasteful number, since it uses less digits than its factorization.

1301122002120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 637804934 (or 637804930 counting only the distinct ones).

The product of its (nonzero) digits is 48, while the sum is 15.

Adding to 1301122002120 its reverse (212002211031), we get a palindrome (1513124213151).

The spelling of 1301122002120 in words is "one trillion, three hundred one billion, one hundred twenty-two million, two thousand, one hundred twenty".