1205427612773 has 16 divisors (see below), whose sum is σ = 1277460288000. Its totient is φ = 1134256057200.

The previous prime is 1205427612709. The next prime is 1205427612787. The reversal of 1205427612773 is 3772167245021.

It is a cyclic number.

It is not a de Polignac number, because 1205427612773 - 2⁶ = 1205427612709 is a prime.

It is a super-2 number, since 2×1205427612773² (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1205427617773) 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, 22589678 + ... + 22642976.

It is an arithmetic number, because the mean of its divisors is an integer number (79841268000).

Almost surely, 2^{1205427612773} is an apocalyptic number.

It is an amenable number.

1205427612773 is a deficient number, since it is larger than the sum of its proper divisors (72032675227).

1205427612773 is a wasteful number, since it uses less digits than its factorization.

1205427612773 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 61352.

The product of its (nonzero) digits is 987840, while the sum is 47.

The spelling of 1205427612773 in words is "one trillion, two hundred five billion, four hundred twenty-seven million, six hundred twelve thousand, seven hundred seventy-three".