1012420021010 has 16 divisors (see below), whose sum is σ = 1822518126936. Its totient is φ = 404931988608.

The previous prime is 1012420020973. The next prime is 1012420021031. The reversal of 1012420021010 is 101200242101.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 941348193361 + 71071827649 = 970231^2 + 266593^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4384277 + ... + 4609416.

Almost surely, 2^{1012420021010} is an apocalyptic number.

1012420021010 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1012420021010 is a deficient number, since it is larger than the sum of its proper divisors (810098105926).

1012420021010 is a wasteful number, since it uses less digits than its factorization.

1012420021010 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9004957.

The product of its (nonzero) digits is 32, while the sum is 14.

Adding to 1012420021010 its reverse (101200242101), we get a palindrome (1113620263111).

The spelling of 1012420021010 in words is "one trillion, twelve billion, four hundred twenty million, twenty-one thousand, ten".