1011020012212 has 24 divisors (see below), whose sum is σ = 2022190417856. Its totient is φ = 433262063808.

The previous prime is 1011020012209. The next prime is 1011020012213. The reversal of 1011020012212 is 2122100201101.

It is a super-2 number, since 2×1011020012212² (a number of 25 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1011020012192 and 1011020012201.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1011020012213) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 957678 + ... + 1714405.

Almost surely, 2^{1011020012212} is an apocalyptic number.

It is an amenable number.

1011020012212 is an abundant number, since it is smaller than the sum of its proper divisors (1011170405644).

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

1011020012212 is a wasteful number, since it uses less digits than its factorization.

1011020012212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2685607 (or 2685605 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 13.

Adding to 1011020012212 its reverse (2122100201101), we get a palindrome (3133120213313).

The spelling of 1011020012212 in words is "one trillion, eleven billion, twenty million, twelve thousand, two hundred twelve".