1011123003212 has 48 divisors (see below), whose sum is σ = 2050412992320. Its totient is φ = 427305341952.

The previous prime is 1011123003167. The next prime is 1011123003271. The reversal of 1011123003212 is 2123003211101.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 9342464 + ... + 9450072.

It is an arithmetic number, because the mean of its divisors is an integer number (42716937340).

Almost surely, 2^{1011123003212} is an apocalyptic number.

It is an amenable number.

1011123003212 is an abundant number, since it is smaller than the sum of its proper divisors (1039289989108).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1011123003212 is a wasteful number, since it uses less digits than its factorization.

1011123003212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 112290 (or 112288 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 17.

Adding to 1011123003212 its reverse (2123003211101), we get a palindrome (3134126214313).

The spelling of 1011123003212 in words is "one trillion, eleven billion, one hundred twenty-three million, three thousand, two hundred twelve".