1213230132099 has 48 divisors (see below), whose sum is σ = 1847567685600. Its totient is φ = 795377180160.

The previous prime is 1213230132097. The next prime is 1213230132109. The reversal of 1213230132099 is 9902310323121.

1213230132099 is a `hidden beast` number, since 1 + 2 + 1 + 323 + 0 + 1 + 320 + 9 + 9 = 666.

It is not a de Polignac number, because 1213230132099 - 2¹ = 1213230132097 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1213230132097) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 99856477 + ... + 99868625.

It is an arithmetic number, because the mean of its divisors is an integer number (38490993450).

Almost surely, 2^{1213230132099} is an apocalyptic number.

1213230132099 is a deficient number, since it is larger than the sum of its proper divisors (634337553501).

1213230132099 is an equidigital number, since it uses as much as digits as its factorization.

1213230132099 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18962 (or 18950 counting only the distinct ones).

The product of its (nonzero) digits is 17496, while the sum is 36.

The spelling of 1213230132099 in words is "one trillion, two hundred thirteen billion, two hundred thirty million, one hundred thirty-two thousand, ninety-nine".