1012420021011 has 32 divisors (see below), whose sum is σ = 1636239356928. Its totient is φ = 543576483840.

The previous prime is 1012420020973. The next prime is 1012420021031. The reversal of 1012420021011 is 1101200242101.

It is not a de Polignac number, because 1012420021011 - 2¹¹ = 1012420018963 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1012420021031) 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, 2179455 + ... + 2602856.

It is an arithmetic number, because the mean of its divisors is an integer number (51132479904).

Almost surely, 2^{1012420021011} is an apocalyptic number.

1012420021011 is a deficient number, since it is larger than the sum of its proper divisors (623819335917).

1012420021011 is a wasteful number, since it uses less digits than its factorization.

1012420021011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4782931.

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

Adding to 1012420021011 its reverse (1101200242101), we get a palindrome (2113620263112).

The spelling of 1012420021011 in words is "one trillion, twelve billion, four hundred twenty million, twenty-one thousand, eleven".