1213213020201 has 160 divisors (see below), whose sum is σ = 2300640427008. Its totient is φ = 620101785600.

The previous prime is 1213213020157. The next prime is 1213213020221. The reversal of 1213213020201 is 1020203123121.

1213213020201 is a `hidden beast` number, since 1 + 21 + 321 + 302 + 0 + 20 + 1 = 666.

It is not a de Polignac number, because 1213213020201 - 2¹⁰ = 1213213019177 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1213213020221) by changing a digit.

It is a polite number, since it can be written in 159 ways as a sum of consecutive naturals, for example, 34972801 + ... + 35007473.

Almost surely, 2^{1213213020201} is an apocalyptic number.

It is an amenable number.

1213213020201 is a deficient number, since it is larger than the sum of its proper divisors (1087427406807).

1213213020201 is a wasteful number, since it uses less digits than its factorization.

1213213020201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 34853 (or 34844 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 18.

Adding to 1213213020201 its reverse (1020203123121), we get a palindrome (2233416143322).

The spelling of 1213213020201 in words is "one trillion, two hundred thirteen billion, two hundred thirteen million, twenty thousand, two hundred one".