1012001021213 has 8 divisors (see below), whose sum is σ = 1245539718528. Its totient is φ = 800704104624.

The previous prime is 1012001021209. The next prime is 1012001021221. The reversal of 1012001021213 is 3121201002101.

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

It is a cyclic number.

It is not a de Polignac number, because 1012001021213 - 2² = 1012001021209 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1012001021233) 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, 5560445081 + ... + 5560445262.

It is an arithmetic number, because the mean of its divisors is an integer number (155692464816).

Almost surely, 2^{1012001021213} is an apocalyptic number.

1012001021213 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

It is an amenable number.

1012001021213 is a deficient number, since it is larger than the sum of its proper divisors (233538697315).

1012001021213 is a wasteful number, since it uses less digits than its factorization.

1012001021213 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11120890363.

The product of its (nonzero) digits is 24, while the sum is 14.

Adding to 1012001021213 its reverse (3121201002101), we get a palindrome (4133202023314).

The spelling of 1012001021213 in words is "one trillion, twelve billion, one million, twenty-one thousand, two hundred thirteen".