1201043123412 has 48 divisors (see below), whose sum is σ = 3059515429824. Its totient is φ = 363676896000.

The previous prime is 1201043123387. The next prime is 1201043123443. The reversal of 1201043123412 is 2143213401021.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3269539 + ... + 3618282.

It is an arithmetic number, because the mean of its divisors is an integer number (63739904788).

Almost surely, 2^{1201043123412} is an apocalyptic number.

1201043123412 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1201043123412 is an abundant number, since it is smaller than the sum of its proper divisors (1858472306412).

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

1201043123412 is a wasteful number, since it uses less digits than its factorization.

1201043123412 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6889160 (or 6889158 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 24.

Adding to 1201043123412 its reverse (2143213401021), we get a palindrome (3344256524433).

The spelling of 1201043123412 in words is "one trillion, two hundred one billion, forty-three million, one hundred twenty-three thousand, four hundred twelve".