1210121102012 has 24 divisors (see below), whose sum is σ = 2242438732800. Its totient is φ = 569429258240.

The previous prime is 1210121101997. The next prime is 1210121102041. The reversal of 1210121102012 is 2102011210121.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 382364 + ... + 1602012.

It is an arithmetic number, because the mean of its divisors is an integer number (93434947200).

Almost surely, 2^{1210121102012} is an apocalyptic number.

It is an amenable number.

1210121102012 is a deficient number, since it is larger than the sum of its proper divisors (1032317630788).

1210121102012 is a wasteful number, since it uses less digits than its factorization.

1210121102012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1234261 (or 1234259 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 14.

Adding to 1210121102012 its reverse (2102011210121), we get a palindrome (3312132312133).

The spelling of 1210121102012 in words is "one trillion, two hundred ten billion, one hundred twenty-one million, one hundred two thousand, twelve".