1256130350234 has 16 divisors (see below), whose sum is σ = 2000466626688. Its totient is φ = 589509477312.

The previous prime is 1256130350213. The next prime is 1256130350269. The reversal of 1256130350234 is 4320530316521.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 1256130350194 and 1256130350203.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 50321324 + ... + 50346279.

It is an arithmetic number, because the mean of its divisors is an integer number (125029164168).

Almost surely, 2^{1256130350234} is an apocalyptic number.

1256130350234 is a deficient number, since it is larger than the sum of its proper divisors (744336276454).

1256130350234 is a wasteful number, since it uses less digits than its factorization.

1256130350234 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 100667989.

The product of its (nonzero) digits is 64800, while the sum is 35.

Adding to 1256130350234 its reverse (4320530316521), we get a palindrome (5576660666755).

The spelling of 1256130350234 in words is "one trillion, two hundred fifty-six billion, one hundred thirty million, three hundred fifty thousand, two hundred thirty-four".