1012220212110 has 64 divisors (see below), whose sum is σ = 2502177149952. Its totient is φ = 261873150336.

The previous prime is 1012220212043. The next prime is 1012220212111. The reversal of 1012220212110 is 112120222101.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a self number, because there is not a number n which added to its sum of digits gives 1012220212110.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1012220212111) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 928822 + ... + 1699161.

It is an arithmetic number, because the mean of its divisors is an integer number (39096517968).

Almost surely, 2^{1012220212110} is an apocalyptic number.

1012220212110 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1012220212110 is an abundant number, since it is smaller than the sum of its proper divisors (1489956937842).

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

1012220212110 is a wasteful number, since it uses less digits than its factorization.

1012220212110 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2628377.

The product of its (nonzero) digits is 32, while the sum is 15.

Adding to 1012220212110 its reverse (112120222101), we get a palindrome (1124340434211).

Subtracting from 1012220212110 its reverse (112120222101), we obtain a palindrome (900099990009).

The spelling of 1012220212110 in words is "one trillion, twelve billion, two hundred twenty million, two hundred twelve thousand, one hundred ten".