1201215010512 has 240 divisors, whose sum is σ = 3458623866048. Its totient is φ = 356214343680.

The previous prime is 1201215010487. The next prime is 1201215010543. The reversal of 1201215010512 is 2150105121021.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 744707818 + ... + 744709430.

Almost surely, 2^{1201215010512} is an apocalyptic number.

1201215010512 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1201215010512, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1729311933024).

1201215010512 is an abundant number, since it is smaller than the sum of its proper divisors (2257408855536).

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

1201215010512 is a wasteful number, since it uses less digits than its factorization.

1201215010512 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1986 (or 1841 counting only the distinct ones).

The product of its (nonzero) digits is 200, while the sum is 21.

The spelling of 1201215010512 in words is "one trillion, two hundred one billion, two hundred fifteen million, ten thousand, five hundred twelve".