1012420040401 has 16 divisors (see below), whose sum is σ = 1262266777728. Its totient is φ = 788880729600.

The previous prime is 1012420040299. The next prime is 1012420040431. The reversal of 1012420040401 is 1040400242101.

It is a cyclic number.

It is not a de Polignac number, because 1012420040401 - 2²³ = 1012411651793 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1012420040431) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3979251 + ... + 4226023.

It is an arithmetic number, because the mean of its divisors is an integer number (78891673608).

Almost surely, 2^{1012420040401} is an apocalyptic number.

1012420040401 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

1012420040401 is a deficient number, since it is larger than the sum of its proper divisors (249846737327).

1012420040401 is a wasteful number, since it uses less digits than its factorization.

1012420040401 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 300072.

The product of its (nonzero) digits is 256, while the sum is 19.

Adding to 1012420040401 its reverse (1040400242101), we get a palindrome (2052820282502).

The spelling of 1012420040401 in words is "one trillion, twelve billion, four hundred twenty million, forty thousand, four hundred one".