1011212110212 has 24 divisors (see below), whose sum is σ = 2359674707712. Its totient is φ = 337045020000.

The previous prime is 1011212110187. The next prime is 1011212110213. The reversal of 1011212110212 is 2120112121101.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 1011212110191 and 1011212110200.

It is not an unprimeable number, because it can be changed into a prime (1011212110213) 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, 3046039 + ... + 3361662.

It is an arithmetic number, because the mean of its divisors is an integer number (98319779488).

Almost surely, 2^{1011212110212} is an apocalyptic number.

1011212110212 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1011212110212 is an abundant number, since it is smaller than the sum of its proper divisors (1348462597500).

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

1011212110212 is a wasteful number, since it uses less digits than its factorization.

1011212110212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6420859 (or 6420857 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 15.

Adding to 1011212110212 its reverse (2120112121101), we get a palindrome (3131324231313).

The spelling of 1011212110212 in words is "one trillion, eleven billion, two hundred twelve million, one hundred ten thousand, two hundred twelve".