1001210121210 has 64 divisors (see below), whose sum is σ = 2604225681792. Its totient is φ = 244881950976.

The previous prime is 1001210121209. The next prime is 1001210121239. The reversal of 1001210121210 is 121210121001.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 8114584 + ... + 8237043.

It is an arithmetic number, because the mean of its divisors is an integer number (40691026278).

Almost surely, 2^{1001210121210} is an apocalyptic number.

1001210121210 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1001210121210 is an abundant number, since it is smaller than the sum of its proper divisors (1603015560582).

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

1001210121210 is a wasteful number, since it uses less digits than its factorization.

1001210121210 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16351807.

The product of its (nonzero) digits is 8, while the sum is 12.

Adding to 1001210121210 its reverse (121210121001), we get a palindrome (1122420242211).

The spelling of 1001210121210 in words is "one trillion, one billion, two hundred ten million, one hundred twenty-one thousand, two hundred ten".