1012121212101 has 32 divisors (see below), whose sum is σ = 1465002147840. Its totient is φ = 619452054144.

The previous prime is 1012121212073. The next prime is 1012121212111.

It is a happy number.

1012121212101 is nontrivially palindromic in base 10.

1012121212101 is an esthetic number in base 10, because in such base its adjacent digits differ by 1.

It is not a de Polignac number, because 1012121212101 - 2¹³ = 1012121203909 is a prime.

It is an alternating number because its digits alternate between odd and even.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1012121212111) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1314480 + ... + 1937033.

It is an arithmetic number, because the mean of its divisors is an integer number (45781317120).

Almost surely, 2^{1012121212101} is an apocalyptic number.

It is an amenable number.

1012121212101 is a deficient number, since it is larger than the sum of its proper divisors (452880935739).

1012121212101 is a wasteful number, since it uses less digits than its factorization.

1012121212101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3251705.

The product of its (nonzero) digits is 16, while the sum is 15.

The spelling of 1012121212101 in words is "one trillion, twelve billion, one hundred twenty-one million, two hundred twelve thousand, one hundred one".