1302211121140 has 12 divisors (see below), whose sum is σ = 2734643354436. Its totient is φ = 520884448448.

The previous prime is 1302211121053. The next prime is 1302211121149. The reversal of 1302211121140 is 411211122031.

It can be written as a sum of positive squares in 2 ways, for example, as 430404226704 + 871806894436 = 656052^2 + 933706^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1302211121149) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 32555278009 + ... + 32555278048.

It is an arithmetic number, because the mean of its divisors is an integer number (227886946203).

Almost surely, 2^{1302211121140} is an apocalyptic number.

1302211121140 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1302211121140 is an abundant number, since it is smaller than the sum of its proper divisors (1432432233296).

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

1302211121140 is a wasteful number, since it uses less digits than its factorization.

1302211121140 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 65110556066 (or 65110556064 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 19.

Adding to 1302211121140 its reverse (411211122031), we get a palindrome (1713422243171).

The spelling of 1302211121140 in words is "one trillion, three hundred two billion, two hundred eleven million, one hundred twenty-one thousand, one hundred forty".