11212001011012 has 12 divisors (see below), whose sum is σ = 20775178344060. Its totient is φ = 5276235769856.

The previous prime is 11212001011009. The next prime is 11212001011031. The reversal of 11212001011012 is 21011010021211.

It is a happy number.

11212001011012 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 8476867188036 + 2735133822976 = 2911506^2 + 1653824^2 .

It is a super-2 number, since 2×11212001011012² (a number of 27 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 11212001010983 and 11212001011001.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 82441183837 + ... + 82441183972.

It is an arithmetic number, because the mean of its divisors is an integer number (1731264862005).

Almost surely, 2^{11212001011012} is an apocalyptic number.

It is an amenable number.

11212001011012 is a deficient number, since it is larger than the sum of its proper divisors (9563177333048).

11212001011012 is a wasteful number, since it uses less digits than its factorization.

11212001011012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 164882367830 (or 164882367828 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 13.

Adding to 11212001011012 its reverse (21011010021211), we get a palindrome (32223011032223).

The spelling of 11212001011012 in words is "eleven trillion, two hundred twelve billion, one million, eleven thousand, twelve".