1011201222012 has 48 divisors (see below), whose sum is σ = 2483834035200. Its totient is φ = 319303313280.

The previous prime is 1011201222011. The next prime is 1011201222049. The reversal of 1011201222012 is 2102221021101.

1011201222012 is digitally balanced in base 2 and base 4, because in such bases it contains all the possibile digits an equal number of times.

It is a super-3 number, since 3×1011201222012³ (a number of 37 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a junction number, because it is equal to n+sod(n) for n = 1011201221982 and 1011201222000.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1011201222011) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3100789 + ... + 3411347.

It is an arithmetic number, because the mean of its divisors is an integer number (51746542400).

Almost surely, 2^{1011201222012} is an apocalyptic number.

1011201222012 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1011201222012 is an abundant number, since it is smaller than the sum of its proper divisors (1472632813188).

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

1011201222012 is a wasteful number, since it uses less digits than its factorization.

1011201222012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 324866 (or 324864 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 15.

Adding to 1011201222012 its reverse (2102221021101), we get a palindrome (3113422243113).

The spelling of 1011201222012 in words is "one trillion, eleven billion, two hundred one million, two hundred twenty-two thousand, twelve".