1012011420 has 96 divisors (see below), whose sum is σ = 3326012928. Its totient is φ = 225061632.

The previous prime is 1012011401. The next prime is 1012011437. The reversal of 1012011420 is 241102101.

It is a happy number.

It is a super-2 number, since 2×1012011420² = 2048334228420832800, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (12).

It is a junction number, because it is equal to n+sod(n) for n = 1012011396 and 1012011405.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 17022 + ... + 48101.

It is an arithmetic number, because the mean of its divisors is an integer number (34645968).

Almost surely, 2^1012011420 is an apocalyptic number.

1012011420 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1012011420 is an abundant number, since it is smaller than the sum of its proper divisors (2314001508).

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

1012011420 is a wasteful number, since it uses less digits than its factorization.

1012011420 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 65179 (or 65177 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 12.

The square root of 1012011420 is about 31812.1269329795. The cubic root of 1012011420 is about 1003.9878823212.

Adding to 1012011420 its reverse (241102101), we get a palindrome (1253113521).

The spelling of 1012011420 in words is "one billion, twelve million, eleven thousand, four hundred twenty".