1212974059000 has 384 divisors, whose sum is σ = 3223502231040. Its totient is φ = 426666240000.

The previous prime is 1212974058977. The next prime is 1212974059009. The reversal of 1212974059000 is 9504792121.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (40).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1212974059009) by changing a digit.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 468147705 + ... + 468150295.

It is an arithmetic number, because the mean of its divisors is an integer number (8394537060).

Almost surely, 2^{1212974059000} is an apocalyptic number.

1212974059000 is a gapful number since it is divisible by the number (10) 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 1212974059000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1611751115520).

1212974059000 is an abundant number, since it is smaller than the sum of its proper divisors (2010528172040).

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

1212974059000 is a wasteful number, since it uses less digits than its factorization.

1212974059000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2760 (or 2735 counting only the distinct ones).

The product of its (nonzero) digits is 45360, while the sum is 40.

The spelling of 1212974059000 in words is "one trillion, two hundred twelve billion, nine hundred seventy-four million, fifty-nine thousand".