1011000212123 has 8 divisors (see below), whose sum is σ = 1102917461760. Its totient is φ = 919084319080.

The previous prime is 1011000212113. The next prime is 1011000212141. The reversal of 1011000212123 is 3212120001101.

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 1011000212123 - 2⁶ = 1011000212059 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1011000212098 and 1011000212107.

It is not an unprimeable number, because it can be changed into a prime (1011000212113) 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, 1812818 + ... + 2303976.

It is an arithmetic number, because the mean of its divisors is an integer number (137864682720).

Almost surely, 2^{1011000212123} is an apocalyptic number.

1011000212123 is a deficient number, since it is larger than the sum of its proper divisors (91917249637).

1011000212123 is a wasteful number, since it uses less digits than its factorization.

1011000212123 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 678297.

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

Adding to 1011000212123 its reverse (3212120001101), we get a palindrome (4223120213224).

The spelling of 1011000212123 in words is "one trillion, eleven billion, two hundred twelve thousand, one hundred twenty-three".