1213212102300 has 162 divisors, whose sum is σ = 4179878137344. Its totient is φ = 294111998400.

The previous prime is 1213212102293. The next prime is 1213212102307. The reversal of 1213212102300 is 32012123121.

1213212102300 is a `hidden beast` number, since 1 + 21 + 321 + 21 + 0 + 2 + 300 = 666.

It is an interprime number because it is at equal distance from previous prime (1213212102293) and next prime (1213212102307).

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1213212102307) by changing a digit.

It is a polite number, since it can be written in 53 ways as a sum of consecutive naturals, for example, 5461404 + ... + 5679203.

Almost surely, 2^{1213212102300} is an apocalyptic number.

1213212102300 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1213212102300 is an abundant number, since it is smaller than the sum of its proper divisors (2966666035044).

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

1213212102300 is a wasteful number, since it uses less digits than its factorization.

1213212102300 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11140649 (or 11140628 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 18.

Adding to 1213212102300 its reverse (32012123121), we get a palindrome (1245224225421).

The spelling of 1213212102300 in words is "one trillion, two hundred thirteen billion, two hundred twelve million, one hundred two thousand, three hundred".