1213002013101 has 8 divisors (see below), whose sum is σ = 1617443806560. Its totient is φ = 808614114192.

The previous prime is 1213002013049. The next prime is 1213002013127. The reversal of 1213002013101 is 1013102003121.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 1213002013101 - 2³¹ = 1210854529453 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1213002013001) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 13421091 + ... + 13511168.

It is an arithmetic number, because the mean of its divisors is an integer number (202180475820).

Almost surely, 2^{1213002013101} is an apocalyptic number.

It is an amenable number.

1213002013101 is a deficient number, since it is larger than the sum of its proper divisors (404441793459).

1213002013101 is a wasteful number, since it uses less digits than its factorization.

1213002013101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26947275.

The product of its (nonzero) digits is 36, while the sum is 15.

Adding to 1213002013101 its reverse (1013102003121), we get a palindrome (2226104016222).

The spelling of 1213002013101 in words is "one trillion, two hundred thirteen billion, two million, thirteen thousand, one hundred one".