1230438417681 has 16 divisors (see below), whose sum is σ = 1790194019328. Its totient is φ = 745526331600.

The previous prime is 1230438417671. The next prime is 1230438417697. The reversal of 1230438417681 is 1867148340321.

It is not a de Polignac number, because 1230438417681 - 2¹³ = 1230438409489 is a prime.

It is a super-2 number, since 2×1230438417681² (a number of 25 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 1230438417681.

It is not an unprimeable number, because it can be changed into a prime (1230438417631) 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, 4719165 + ... + 4973066.

It is an arithmetic number, because the mean of its divisors is an integer number (111887126208).

Almost surely, 2^{1230438417681} is an apocalyptic number.

1230438417681 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

1230438417681 is a deficient number, since it is larger than the sum of its proper divisors (559755601647).

1230438417681 is a wasteful number, since it uses less digits than its factorization.

1230438417681 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9696092.

The product of its (nonzero) digits is 774144, while the sum is 48.

The spelling of 1230438417681 in words is "one trillion, two hundred thirty billion, four hundred thirty-eight million, four hundred seventeen thousand, six hundred eighty-one".