1012211320134 has 32 divisors (see below), whose sum is σ = 2313673274880. Its totient is φ = 289197309312.

The previous prime is 1012211320121. The next prime is 1012211320163. The reversal of 1012211320134 is 4310231122101.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a self number, because there is not a number n which added to its sum of digits gives 1012211320134.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2087182 + ... + 2526014.

It is an arithmetic number, because the mean of its divisors is an integer number (72302289840).

Almost surely, 2^{1012211320134} is an apocalyptic number.

1012211320134 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

1012211320134 is an abundant number, since it is smaller than the sum of its proper divisors (1301461954746).

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

1012211320134 is a wasteful number, since it uses less digits than its factorization.

1012211320134 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 493764.

The product of its (nonzero) digits is 288, while the sum is 21.

Adding to 1012211320134 its reverse (4310231122101), we get a palindrome (5322442442235).

The spelling of 1012211320134 in words is "one trillion, twelve billion, two hundred eleven million, three hundred twenty thousand, one hundred thirty-four".