12162314477401 has 27 divisors (see below), whose sum is σ = 13499157189973. Its totient is φ = 10949619653720.

The previous prime is 12162314477399. The next prime is 12162314477429. The reversal of 12162314477401 is 10477441326121.

It is a happy number.

The square root of 12162314477401 is 3487451.

It is a perfect power (a square), and thus also a powerful number.

It is not a de Polignac number, because 12162314477401 - 2¹ = 12162314477399 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12162314477491) by changing a digit.

It is a polite number, since it can be written in 26 ways as a sum of consecutive naturals, for example, 4104728346 + ... + 4104731308.

Almost surely, 2^{12162314477401} is an apocalyptic number.

12162314477401 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

12162314477401 is the 3487451-st square number.

12162314477401 is the 1743726-th centered octagonal number.

It is an amenable number.

12162314477401 is a deficient number, since it is larger than the sum of its proper divisors (1336842712572).

12162314477401 is an frugal number, since it uses more digits than its factorization.

12162314477401 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6162 (or 3081 counting only the distinct ones).

The product of its (nonzero) digits is 225792, while the sum is 43.

The spelling of 12162314477401 in words is "twelve trillion, one hundred sixty-two billion, three hundred fourteen million, four hundred seventy-seven thousand, four hundred one".