1214541531700 has 144 divisors (see below), whose sum is σ = 3083762626560. Its totient is φ = 406512247680.

The previous prime is 1214541531689. The next prime is 1214541531701. The reversal of 1214541531700 is 71351454121.

It is a super-2 number, since 2×1214541531700² (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1214541531701) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 62086521 + ... + 62106079.

It is an arithmetic number, because the mean of its divisors is an integer number (21415018240).

Almost surely, 2^{1214541531700} is an apocalyptic number.

1214541531700 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 1214541531700, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1541881313280).

1214541531700 is an abundant number, since it is smaller than the sum of its proper divisors (1869221094860).

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

1214541531700 is a wasteful number, since it uses less digits than its factorization.

1214541531700 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21686 (or 21679 counting only the distinct ones).

The product of its (nonzero) digits is 16800, while the sum is 34.

Adding to 1214541531700 its reverse (71351454121), we get a palindrome (1285892985821).

The spelling of 1214541531700 in words is "one trillion, two hundred fourteen billion, five hundred forty-one million, five hundred thirty-one thousand, seven hundred".