1212100011010 has 128 divisors (see below), whose sum is σ = 2533443194880. Its totient is φ = 408977350656.

The previous prime is 1212100010993. The next prime is 1212100011043. The reversal of 1212100011010 is 101100012121.

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

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 882810684 + ... + 882812056.

It is an arithmetic number, because the mean of its divisors is an integer number (19792524960).

Almost surely, 2^{1212100011010} is an apocalyptic number.

1212100011010 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1212100011010 is an abundant number, since it is smaller than the sum of its proper divisors (1321343183870).

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

1212100011010 is a wasteful number, since it uses less digits than its factorization.

1212100011010 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2212.

The product of its (nonzero) digits is 4, while the sum is 10.

Adding to 1212100011010 its reverse (101100012121), we get a palindrome (1313200023131).

The spelling of 1212100011010 in words is "one trillion, two hundred twelve billion, one hundred million, eleven thousand, ten".