1230819677856 has 108 divisors (see below), whose sum is σ = 3616694314506. Its totient is φ = 397038516480.

The previous prime is 1230819677837. The next prime is 1230819677939. The reversal of 1230819677856 is 6587769180321.

It can be written as a sum of positive squares in only one way, i.e., 678943040400 + 551876637456 = 823980^2 + 742884^2 .

It is a junction number, because it is equal to n+sod(n) for n = 1230819677793 and 1230819677802.

It is an unprimeable number.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 1946791 + ... + 2500326.

Almost surely, 2^{1230819677856} is an apocalyptic number.

1230819677856 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

1230819677856 is an abundant number, since it is smaller than the sum of its proper divisors (2385874636650).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1230819677856 is a wasteful number, since it uses less digits than its factorization.

1230819677856 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4447195 (or 4447153 counting only the distinct ones).

The product of its (nonzero) digits is 30481920, while the sum is 63.

The spelling of 1230819677856 in words is "one trillion, two hundred thirty billion, eight hundred nineteen million, six hundred seventy-seven thousand, eight hundred fifty-six".