1012201210090 has 32 divisors (see below), whose sum is σ = 2084147717760. Its totient is φ = 346722876864.

The previous prime is 1012201210039. The next prime is 1012201210091. The reversal of 1012201210090 is 900121022101.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (1012201210091) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6538320 + ... + 6691339.

It is an arithmetic number, because the mean of its divisors is an integer number (65129616180).

Almost surely, 2^{1012201210090} is an apocalyptic number.

1012201210090 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1012201210090 is an abundant number, since it is smaller than the sum of its proper divisors (1071946507670).

1012201210090 is a wasteful number, since it uses less digits than its factorization.

1012201210090 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13230766.

The product of its (nonzero) digits is 72, while the sum is 19.

Adding to 1012201210090 its reverse (900121022101), we get a palindrome (1912322232191).

The spelling of 1012201210090 in words is "one trillion, twelve billion, two hundred one million, two hundred ten thousand, ninety".