1011012212 has 12 divisors (see below), whose sum is σ = 2022024480. Its totient is φ = 433290936.

The previous prime is 1011012157. The next prime is 1011012229. The reversal of 1011012212 is 2122101101.

1011012212 is an admirable number.

It is a super-3 number, since 3×1011012212³ (a number of 28 digits) contains 333 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1011012193 and 1011012202.

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, 18053762 + ... + 18053817.

It is an arithmetic number, because the mean of its divisors is an integer number (168502040).

Almost surely, 2^1011012212 is an apocalyptic number.

It is an amenable number.

1011012212 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

1011012212 is a wasteful number, since it uses less digits than its factorization.

1011012212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 36107590 (or 36107588 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 11.

The square root of 1011012212 is about 31796.4182259575. The cubic root of 1011012212 is about 1003.6573448549.

Adding to 1011012212 its reverse (2122101101), we get a palindrome (3133113313).

Subtracting 1011012212 from its reverse (2122101101), we obtain a square (1111088889 = 33333²).

It can be divided in two parts, 10110 and 12212, that added together give a palindrome (22322).

The spelling of 1011012212 in words is "one billion, eleven million, twelve thousand, two hundred twelve".