1012121210212 has 24 divisors (see below), whose sum is σ = 2028266787456. Its totient is φ = 432903868608.

The previous prime is 1012121210203. The next prime is 1012121210213. The reversal of 1012121210212 is 2120121212101.

It is a super-2 number, since 2×1012121210212² (a number of 25 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1012121210213) 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, 35917513 + ... + 35945680.

It is an arithmetic number, because the mean of its divisors is an integer number (84511116144).

Almost surely, 2^{1012121210212} is an apocalyptic number.

It is an amenable number.

1012121210212 is an abundant number, since it is smaller than the sum of its proper divisors (1016145577244).

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

1012121210212 is a wasteful number, since it uses less digits than its factorization.

1012121210212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 71863707 (or 71863705 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 16.

Adding to 1012121210212 its reverse (2120121212101), we get a palindrome (3132242422313).

The spelling of 1012121210212 in words is "one trillion, twelve billion, one hundred twenty-one million, two hundred ten thousand, two hundred twelve".