1230132311121 has 32 divisors (see below), whose sum is σ = 1988052185088. Its totient is φ = 661347973440.

The previous prime is 1230132311119. The next prime is 1230132311137. The reversal of 1230132311121 is 1211132310321.

It is not a de Polignac number, because 1230132311121 - 2¹ = 1230132311119 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is not an unprimeable number, because it can be changed into a prime (1230132311101) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 20846421 + ... + 20905346.

It is an arithmetic number, because the mean of its divisors is an integer number (62126630784).

Almost surely, 2^{1230132311121} is an apocalyptic number.

It is an amenable number.

1230132311121 is a deficient number, since it is larger than the sum of its proper divisors (757919873967).

1230132311121 is a wasteful number, since it uses less digits than its factorization.

1230132311121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 41751861.

The product of its (nonzero) digits is 216, while the sum is 21.

Adding to 1230132311121 its reverse (1211132310321), we get a palindrome (2441264621442).

The spelling of 1230132311121 in words is "one trillion, two hundred thirty billion, one hundred thirty-two million, three hundred eleven thousand, one hundred twenty-one".