1121001010212 has 48 divisors (see below), whose sum is σ = 2618022742272. Its totient is φ = 373330918560.

The previous prime is 1121001010183. The next prime is 1121001010219. The reversal of 1121001010212 is 2120101001211.

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

It is not an unprimeable number, because it can be changed into a prime (1121001010219) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 75516463 + ... + 75531305.

It is an arithmetic number, because the mean of its divisors is an integer number (54542140464).

Almost surely, 2^{1121001010212} is an apocalyptic number.

1121001010212 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1121001010212 is an abundant number, since it is smaller than the sum of its proper divisors (1497021732060).

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

1121001010212 is a wasteful number, since it uses less digits than its factorization.

1121001010212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20088 (or 20086 counting only the distinct ones).

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

Adding to 1121001010212 its reverse (2120101001211), we get a palindrome (3241102011423).

Subtracting 1121001010212 from its reverse (2120101001211), we obtain a palindrome (999099990999).

The spelling of 1121001010212 in words is "one trillion, one hundred twenty-one billion, one million, ten thousand, two hundred twelve".