1200012012010 has 64 divisors (see below), whose sum is σ = 2471582896128. Its totient is φ = 410935281984.

The previous prime is 1200012011983. The next prime is 1200012012013. The reversal of 1200012012010 is 102102100021.

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 (1200012012013) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 346122297 + ... + 346125763.

It is an arithmetic number, because the mean of its divisors is an integer number (38618482752).

Almost surely, 2^{1200012012010} is an apocalyptic number.

1200012012010 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1200012012010 is an abundant number, since it is smaller than the sum of its proper divisors (1271570884118).

1200012012010 is a wasteful number, since it uses less digits than its factorization.

1200012012010 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8035.

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

Adding to 1200012012010 its reverse (102102100021), we get a palindrome (1302114112031).

The spelling of 1200012012010 in words is "one trillion, two hundred billion, twelve million, twelve thousand, ten".