1011022012212 has 12 divisors (see below), whose sum is σ = 2359051361856. Its totient is φ = 337007337400.

The previous prime is 1011022012163. The next prime is 1011022012223. The reversal of 1011022012212 is 2122102201101.

It is a tau number, because it is divible by the number of its divisors (12).

It is a junction number, because it is equal to n+sod(n) for n = 1011022012191 and 1011022012200.

It is a congruent number.

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, 42125917164 + ... + 42125917187.

It is an arithmetic number, because the mean of its divisors is an integer number (196587613488).

Almost surely, 2^{1011022012212} is an apocalyptic number.

1011022012212 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1011022012212 is an abundant number, since it is smaller than the sum of its proper divisors (1348029349644).

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

1011022012212 is a wasteful number, since it uses less digits than its factorization.

1011022012212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 84251834358 (or 84251834356 counting only the distinct ones).

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

Adding to 1011022012212 its reverse (2122102201101), we get a palindrome (3133124213313).

The spelling of 1011022012212 in words is "one trillion, eleven billion, twenty-two million, twelve thousand, two hundred twelve".