1010311222212 has 120 divisors (see below), whose sum is σ = 2678366460000. Its totient is φ = 332041762944.

The previous prime is 1010311222211. The next prime is 1010311222243. The reversal of 1010311222212 is 2122221130101.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is not an unprimeable number, because it can be changed into a prime (1010311222211) by changing a digit.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 13381464 + ... + 13456752.

It is an arithmetic number, because the mean of its divisors is an integer number (22319720500).

Almost surely, 2^{1010311222212} is an apocalyptic number.

1010311222212 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1010311222212, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1339183230000).

1010311222212 is an abundant number, since it is smaller than the sum of its proper divisors (1668055237788).

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

1010311222212 is a wasteful number, since it uses less digits than its factorization.

1010311222212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 75887 (or 75876 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 18.

Adding to 1010311222212 its reverse (2122221130101), we get a palindrome (3132532352313).

The spelling of 1010311222212 in words is "one trillion, ten billion, three hundred eleven million, two hundred twenty-two thousand, two hundred twelve".