1011210212012 has 48 divisors (see below), whose sum is σ = 2375990437632. Its totient is φ = 363672002880.

The previous prime is 1011210212011. The next prime is 1011210212017. The reversal of 1011210212012 is 2102120121101.

It is a Harshad number since it is a multiple of its sum of digits (14).

It is not an unprimeable number, because it can be changed into a prime (1011210212011) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 126270998 + ... + 126279005.

It is an arithmetic number, because the mean of its divisors is an integer number (49499800784).

Almost surely, 2^{1011210212012} is an apocalyptic number.

It is an amenable number.

1011210212012 is an abundant number, since it is smaller than the sum of its proper divisors (1364780225620).

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

1011210212012 is a wasteful number, since it uses less digits than its factorization.

1011210212012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 252550038 (or 252550036 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 14.

Adding to 1011210212012 its reverse (2102120121101), we get a palindrome (3113330333113).

The spelling of 1011210212012 in words is "one trillion, eleven billion, two hundred ten million, two hundred twelve thousand, twelve".