1012120212 has 24 divisors (see below), whose sum is σ = 2362844512. Its totient is φ = 337197600.

The previous prime is 1012120201. The next prime is 1012120217. The reversal of 1012120212 is 2120212101.

It is a Harshad number since it is a multiple of its sum of digits (12).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1012120217) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3162 + ... + 45102.

Almost surely, 2^1012120212 is an apocalyptic number.

1012120212 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1012120212 is an abundant number, since it is smaller than the sum of its proper divisors (1350724300).

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

1012120212 is a wasteful number, since it uses less digits than its factorization.

1012120212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 43959 (or 43957 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 12.

The square root of 1012120212 is about 31813.8368009896. The cubic root of 1012120212 is about 1004.0238575200.

Adding to 1012120212 its reverse (2120212101), we get a palindrome (3132332313).

It can be divided in two parts, 101 and 2120212, that multiplied together give a palindrome (214141412).

The spelling of 1012120212 in words is "one billion, twelve million, one hundred twenty thousand, two hundred twelve".