1001212101210 has 32 divisors (see below), whose sum is σ = 2415106564992. Its totient is φ = 265634613440.

The previous prime is 1001212101191. The next prime is 1001212101247. The reversal of 1001212101210 is 121012121001.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 84699006 + ... + 84710825.

It is an arithmetic number, because the mean of its divisors is an integer number (75472080156).

Almost surely, 2^{1001212101210} is an apocalyptic number.

1001212101210 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1001212101210 is an abundant number, since it is smaller than the sum of its proper divisors (1413894463782).

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

1001212101210 is a wasteful number, since it uses less digits than its factorization.

1001212101210 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 169410038.

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

Adding to 1001212101210 its reverse (121012121001), we get a palindrome (1122224222211).

The spelling of 1001212101210 in words is "one trillion, one billion, two hundred twelve million, one hundred one thousand, two hundred ten".