1031012012212 has 96 divisors (see below), whose sum is σ = 2264449904640. Its totient is φ = 399864193920.

The previous prime is 1031012012209. The next prime is 1031012012213. The reversal of 1031012012212 is 2122102101301.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1031012012213) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 7816287 + ... + 7947097.

It is an arithmetic number, because the mean of its divisors is an integer number (23588019840).

Almost surely, 2^{1031012012212} is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1031012012212, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1132224952320).

1031012012212 is an abundant number, since it is smaller than the sum of its proper divisors (1233437892428).

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

1031012012212 is a wasteful number, since it uses less digits than its factorization.

1031012012212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 131261 (or 131259 counting only the distinct ones).

The product of its (nonzero) digits is 48, while the sum is 16.

Adding to 1031012012212 its reverse (2122102101301), we get a palindrome (3153114113513).

The spelling of 1031012012212 in words is "one trillion, thirty-one billion, twelve million, twelve thousand, two hundred twelve".