1012121201001 has 8 divisors (see below), whose sum is σ = 1396029242880. Its totient is φ = 651480313232.

The previous prime is 1012121200933. The next prime is 1012121201017. The reversal of 1012121201001 is 1001021212101.

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 1012121201001 - 2³⁷ = 874682247529 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1012121206001) 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, 5816788425 + ... + 5816788598.

It is an arithmetic number, because the mean of its divisors is an integer number (174503655360).

Almost surely, 2^{1012121201001} is an apocalyptic number.

It is an amenable number.

1012121201001 is a deficient number, since it is larger than the sum of its proper divisors (383908041879).

1012121201001 is a wasteful number, since it uses less digits than its factorization.

1012121201001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11633577055.

The product of its (nonzero) digits is 8, while the sum is 12.

Adding to 1012121201001 its reverse (1001021212101), we get a palindrome (2013142413102).

The spelling of 1012121201001 in words is "one trillion, twelve billion, one hundred twenty-one million, two hundred one thousand, one".