1210002102012 has 144 divisors (see below), whose sum is σ = 3428754368256. Its totient is φ = 330094195200.

The previous prime is 1210002101933. The next prime is 1210002102019. The reversal of 1210002102012 is 2102012000121.

It is a Harshad number since it is a multiple of its sum of digits (12).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1210002102019) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 497914 + ... + 1633377.

It is an arithmetic number, because the mean of its divisors is an integer number (23810794224).

Almost surely, 2^{1210002102012} is an apocalyptic number.

1210002102012 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1210002102012 is an abundant number, since it is smaller than the sum of its proper divisors (2218752266244).

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

1210002102012 is a wasteful number, since it uses less digits than its factorization.

1210002102012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2131360 (or 2131347 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 12.

Adding to 1210002102012 its reverse (2102012000121), we get a palindrome (3312014102133).

The spelling of 1210002102012 in words is "one trillion, two hundred ten billion, two million, one hundred two thousand, twelve".