1011212000012 has 24 divisors (see below), whose sum is σ = 1781427416832. Its totient is φ = 502233066000.

The previous prime is 1011211999981. The next prime is 1011212000017. The reversal of 1011212000012 is 2100002121101.

It is a junction number, because it is equal to n+sod(n) for n = 1011211999957 and 1011212000002.

It is not an unprimeable number, because it can be changed into a prime (1011212000017) 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, 24636587 + ... + 24677597.

It is an arithmetic number, because the mean of its divisors is an integer number (74226142368).

Almost surely, 2^{1011212000012} is an apocalyptic number.

It is an amenable number.

1011212000012 is a deficient number, since it is larger than the sum of its proper divisors (770215416820).

1011212000012 is a wasteful number, since it uses less digits than its factorization.

1011212000012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 81989 (or 81987 counting only the distinct ones).

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

Adding to 1011212000012 its reverse (2100002121101), we get a palindrome (3111214121113).

The spelling of 1011212000012 in words is "one trillion, eleven billion, two hundred twelve million, twelve", and thus it is an aban number.