1012212021113 has 8 divisors (see below), whose sum is σ = 1066872789000. Its totient is φ = 958868380288.

The previous prime is 1012212021071. The next prime is 1012212021131. The reversal of 1012212021113 is 3111202122101.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 594337690489 + 417874330624 = 770933^2 + 646432^2 .

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 1012212021113 - 2⁸ = 1012212020857 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1012212021091 and 1012212021100.

It is not an unprimeable number, because it can be changed into a prime (1012212021193) 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, 329280188 + ... + 329283261.

It is an arithmetic number, because the mean of its divisors is an integer number (133359098625).

Almost surely, 2^{1012212021113} is an apocalyptic number.

It is an amenable number.

1012212021113 is a deficient number, since it is larger than the sum of its proper divisors (54660767887).

1012212021113 is an equidigital number, since it uses as much as digits as its factorization.

1012212021113 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 658563531.

The product of its (nonzero) digits is 48, while the sum is 17.

Adding to 1012212021113 its reverse (3111202122101), we get a palindrome (4123414143214).

The spelling of 1012212021113 in words is "one trillion, twelve billion, two hundred twelve million, twenty-one thousand, one hundred thirteen".