10001212001200 has 180 divisors, whose sum is σ = 28706318577328. Its totient is φ = 3279900096000.

The previous prime is 10001212001197. The next prime is 10001212001201. The reversal of 10001212001200 is 210021210001.

It is a Harshad number since it is a multiple of its sum of digits (10).

It is not an unprimeable number, because it can be changed into a prime (10001212001201) by changing a digit.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 1894851 + ... + 4857250.

Almost surely, 2^{10001212001200} is an apocalyptic number.

10001212001200 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

10001212001200 is an abundant number, since it is smaller than the sum of its proper divisors (18705106576128).

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

10001212001200 is a wasteful number, since it uses less digits than its factorization.

10001212001200 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6752172 (or 6752138 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 10.

Adding to 10001212001200 its reverse (210021210001), we get a palindrome (10211233211201).

The spelling of 10001212001200 in words is "ten trillion, one billion, two hundred twelve million, one thousand, two hundred".