1213230132101 has 16 divisors (see below), whose sum is σ = 1383271491840. Its totient is φ = 1054829615040.

The previous prime is 1213230132097. The next prime is 1213230132109. The reversal of 1213230132101 is 1012310323121.

It is a happy number.

It is not a de Polignac number, because 1213230132101 - 2² = 1213230132097 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1213230132109) 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, 14153405 + ... + 14238866.

It is an arithmetic number, because the mean of its divisors is an integer number (86454468240).

Almost surely, 2^{1213230132101} is an apocalyptic number.

It is an amenable number.

1213230132101 is a deficient number, since it is larger than the sum of its proper divisors (170041359739).

1213230132101 is a wasteful number, since it uses less digits than its factorization.

1213230132101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28392476.

The product of its (nonzero) digits is 216, while the sum is 20.

Adding to 1213230132101 its reverse (1012310323121), we get a palindrome (2225540455222).

The spelling of 1213230132101 in words is "one trillion, two hundred thirteen billion, two hundred thirty million, one hundred thirty-two thousand, one hundred one".