1200012011999 has 8 divisors (see below), whose sum is σ = 1227970149120. Its totient is φ = 1172056187736.

The previous prime is 1200012011983. The next prime is 1200012012013. The reversal of 1200012011999 is 9991102100021.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1200012011999 - 2⁴ = 1200012011983 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1200012611999) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 494474 + ... + 1626200.

It is an arithmetic number, because the mean of its divisors is an integer number (153496268640).

Almost surely, 2^{1200012011999} is an apocalyptic number.

1200012011999 is a deficient number, since it is larger than the sum of its proper divisors (27958137121).

1200012011999 is a wasteful number, since it uses less digits than its factorization.

1200012011999 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1156429.

The product of its (nonzero) digits is 2916, while the sum is 35.

The spelling of 1200012011999 in words is "one trillion, two hundred billion, twelve million, eleven thousand, nine hundred ninety-nine".