1012224423420 has 960 divisors, whose sum is σ = 3925207351296. Its totient is φ = 213363279360.

The previous prime is 1012224423389. The next prime is 1012224423433. The reversal of 1012224423420 is 243244222101.

It is a happy number.

1012224423420 is a `hidden beast` number, since 1 + 0 + 12 + 224 + 4 + 2 + 3 + 420 = 666.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 319 ways as a sum of consecutive naturals, for example, 870355759 + ... + 870356921.

Almost surely, 2^{1012224423420} is an apocalyptic number.

1012224423420 is a gapful number since it is divisible by the number (10) 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 1012224423420, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1962603675648).

1012224423420 is an abundant number, since it is smaller than the sum of its proper divisors (2912982927876).

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

1012224423420 is a wasteful number, since it uses less digits than its factorization.

1012224423420 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1332 (or 1321 counting only the distinct ones).

The product of its (nonzero) digits is 6144, while the sum is 27.

Adding to 1012224423420 its reverse (243244222101), we get a palindrome (1255468645521).

The spelling of 1012224423420 in words is "one trillion, twelve billion, two hundred twenty-four million, four hundred twenty-three thousand, four hundred twenty".