1012423057477 has 16 divisors (see below), whose sum is σ = 1128094838640. Its totient is φ = 902161516032.

The previous prime is 1012423057441. The next prime is 1012423057487. The reversal of 1012423057477 is 7747503242101.

It can be written as a sum of positive squares in 8 ways, for example, as 57999570561 + 954423486916 = 240831^2 + 976946^2 .

It is a cyclic number.

It is not a de Polignac number, because 1012423057477 - 2³⁵ = 978063319109 is a prime.

It is a super-2 number, since 2×1012423057477² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1012423057417) 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, 1960513 + ... + 2422489.

It is an arithmetic number, because the mean of its divisors is an integer number (70505927415).

Almost surely, 2^{1012423057477} is an apocalyptic number.

It is an amenable number.

1012423057477 is a deficient number, since it is larger than the sum of its proper divisors (115671781163).

1012423057477 is a wasteful number, since it uses less digits than its factorization.

1012423057477 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 467832.

The product of its (nonzero) digits is 329280, while the sum is 43.

Adding to 1012423057477 its reverse (7747503242101), we get a palindrome (8759926299578).

The spelling of 1012423057477 in words is "one trillion, twelve billion, four hundred twenty-three million, fifty-seven thousand, four hundred seventy-seven".