1212000101101 has 8 divisors (see below), whose sum is σ = 1224248730264. Its totient is φ = 1199756347200.

The previous prime is 1212000101099. The next prime is 1212000101111. The reversal of 1212000101101 is 1011010002121.

It can be written as a sum of positive squares in 4 ways, for example, as 804790204201 + 407209896900 = 897101^2 + 638130^2 .

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 1212000101101 - 2¹ = 1212000101099 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1212000101111) 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, 718066 + ... + 1714531.

It is an arithmetic number, because the mean of its divisors is an integer number (153031091283).

Almost surely, 2^{1212000101101} is an apocalyptic number.

It is an amenable number.

1212000101101 is a deficient number, since it is larger than the sum of its proper divisors (12248629163).

1212000101101 is a wasteful number, since it uses less digits than its factorization.

1212000101101 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2437631.

The product of its (nonzero) digits is 4, while the sum is 10.

Adding to 1212000101101 its reverse (1011010002121), we get a palindrome (2223010103222).

The spelling of 1212000101101 in words is "one trillion, two hundred twelve billion, one hundred one thousand, one hundred one".