1201262130042 has 32 divisors (see below), whose sum is σ = 2588531467200. Its totient is φ = 369448024320.

The previous prime is 1201262130037. The next prime is 1201262130067. The reversal of 1201262130042 is 2400312621021.

It is a junction number, because it is equal to n+sod(n) for n = 1201262129994 and 1201262130021.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3394792 + ... + 3731907.

It is an arithmetic number, because the mean of its divisors is an integer number (80891608350).

Almost surely, 2^{1201262130042} is an apocalyptic number.

1201262130042 is an abundant number, since it is smaller than the sum of its proper divisors (1387269337158).

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

1201262130042 is a wasteful number, since it uses less digits than its factorization.

1201262130042 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7128878.

The product of its (nonzero) digits is 1152, while the sum is 24.

Adding to 1201262130042 its reverse (2400312621021), we get a palindrome (3601574751063).

The spelling of 1201262130042 in words is "one trillion, two hundred one billion, two hundred sixty-two million, one hundred thirty thousand, forty-two".