12001011101012 has 6 divisors (see below), whose sum is σ = 21001769426778. Its totient is φ = 6000505550504.

The previous prime is 12001011101003. The next prime is 12001011101063. The reversal of 12001011101012 is 21010111010021.

It can be written as a sum of positive squares in only one way, i.e., 10555832052676 + 1445179048336 = 3248974^2 + 1202156^2 .

It is a super-2 number, since 2×12001011101012² (a number of 27 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 12001011100984 and 12001011101002.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1500126387623 + ... + 1500126387630.

It is an arithmetic number, because the mean of its divisors is an integer number (3500294904463).

Almost surely, 2^{12001011101012} is an apocalyptic number.

It is an amenable number.

12001011101012 is a deficient number, since it is larger than the sum of its proper divisors (9000758325766).

12001011101012 is a wasteful number, since it uses less digits than its factorization.

12001011101012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3000252775257 (or 3000252775255 counting only the distinct ones).

The product of its (nonzero) digits is 4, while the sum is 11.

Adding to 12001011101012 its reverse (21010111010021), we get a palindrome (33011122111033).

Subtracting 12001011101012 from its reverse (21010111010021), we obtain a palindrome (9009099909009).

The spelling of 12001011101012 in words is "twelve trillion, one billion, eleven million, one hundred one thousand, twelve".