1302211121142 has 32 divisors (see below), whose sum is σ = 2686806807552. Its totient is φ = 420444830304.

The previous prime is 1302211121053. The next prime is 1302211121149. The reversal of 1302211121142 is 2411211122031.

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 15 ways as a sum of consecutive naturals, for example, 13102548 + ... + 13201559.

It is an arithmetic number, because the mean of its divisors is an integer number (83962712736).

Almost surely, 2^{1302211121142} is an apocalyptic number.

1302211121142 is an abundant number, since it is smaller than the sum of its proper divisors (1384595686410).

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

1302211121142 is a wasteful number, since it uses less digits than its factorization.

1302211121142 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26304372.

The product of its (nonzero) digits is 192, while the sum is 21.

Adding to 1302211121142 its reverse (2411211122031), we get a palindrome (3713422243173).

The spelling of 1302211121142 in words is "one trillion, three hundred two billion, two hundred eleven million, one hundred twenty-one thousand, one hundred forty-two".