1205012361054 has 64 divisors (see below), whose sum is σ = 2589495091200. Its totient is φ = 372477301248.

The previous prime is 1205012361053. The next prime is 1205012361089. The reversal of 1205012361054 is 4501632105021.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1205012361053) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 3703684 + ... + 4015880.

It is an arithmetic number, because the mean of its divisors is an integer number (40460860800).

Almost surely, 2^{1205012361054} is an apocalyptic number.

1205012361054 is an abundant number, since it is smaller than the sum of its proper divisors (1384482730146).

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

1205012361054 is a wasteful number, since it uses less digits than its factorization.

1205012361054 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 312777.

The product of its (nonzero) digits is 7200, while the sum is 30.

Adding to 1205012361054 its reverse (4501632105021), we get a palindrome (5706644466075).

The spelling of 1205012361054 in words is "one trillion, two hundred five billion, twelve million, three hundred sixty-one thousand, fifty-four".