1201166054012 has 24 divisors (see below), whose sum is σ = 2216046398496. Its totient is φ = 568548338688.

The previous prime is 1201166053963. The next prime is 1201166054029. The reversal of 1201166054012 is 2104506611021.

It is a super-2 number, since 2×1201166054012² (a number of 25 digits) contains 22 as substring.

It is a congruent number.

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, 67290833 + ... + 67308680.

It is an arithmetic number, because the mean of its divisors is an integer number (92335266604).

Almost surely, 2^{1201166054012} is an apocalyptic number.

It is an amenable number.

1201166054012 is a deficient number, since it is larger than the sum of its proper divisors (1014880344484).

1201166054012 is a wasteful number, since it uses less digits than its factorization.

1201166054012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 134599637 (or 134599635 counting only the distinct ones).

The product of its (nonzero) digits is 2880, while the sum is 29.

The spelling of 1201166054012 in words is "one trillion, two hundred one billion, one hundred sixty-six million, fifty-four thousand, twelve".