1198475187412 has 48 divisors (see below), whose sum is σ = 2373774947712. Its totient is φ = 526309329920.

The previous prime is 1198475187401. The next prime is 1198475187419. The reversal of 1198475187412 is 2147815748911.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1198475187419) 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, 9280858 + ... + 9409105.

It is an arithmetic number, because the mean of its divisors is an integer number (49453644744).

Almost surely, 2^{1198475187412} is an apocalyptic number.

It is an amenable number.

1198475187412 is a deficient number, since it is larger than the sum of its proper divisors (1175299760300).

1198475187412 is a wasteful number, since it uses less digits than its factorization.

1198475187412 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18690048 (or 18690046 counting only the distinct ones).

The product of its digits is 4515840, while the sum is 58.

The spelling of 1198475187412 in words is "one trillion, one hundred ninety-eight billion, four hundred seventy-five million, one hundred eighty-seven thousand, four hundred twelve".