1012001201123 has 8 divisors (see below), whose sum is σ = 1168942564080. Its totient is φ = 865883380480.

The previous prime is 1012001201093. The next prime is 1012001201143. The reversal of 1012001201123 is 3211021002101.

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 1012001201123 - 2¹⁰ = 1012001200099 is a prime.

It is a super-2 number, since 2×1012001201123² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1012001201098 and 1012001201107.

It is not an unprimeable number, because it can be changed into a prime (1012001201143) 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, 2705885378 + ... + 2705885751.

It is an arithmetic number, because the mean of its divisors is an integer number (146117820510).

Almost surely, 2^{1012001201123} is an apocalyptic number.

1012001201123 is a deficient number, since it is larger than the sum of its proper divisors (156941362957).

1012001201123 is a wasteful number, since it uses less digits than its factorization.

1012001201123 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5411771157.

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

Adding to 1012001201123 its reverse (3211021002101), we get a palindrome (4223022203224).

The spelling of 1012001201123 in words is "one trillion, twelve billion, one million, two hundred one thousand, one hundred twenty-three".