1120000021212 has 24 divisors (see below), whose sum is σ = 2649132472336. Its totient is φ = 368219184768.

The previous prime is 1120000021183. The next prime is 1120000021237. The reversal of 1120000021212 is 2121200000211.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 639268543 + ... + 639270294.

Almost surely, 2^{1120000021212} is an apocalyptic number.

1120000021212 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1120000021212 is an abundant number, since it is smaller than the sum of its proper divisors (1529132451124).

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

1120000021212 is a wasteful number, since it uses less digits than its factorization.

1120000021212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1278538917 (or 1278538915 counting only the distinct ones).

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

Adding to 1120000021212 its reverse (2121200000211), we get a palindrome (3241200021423).

The spelling of 1120000021212 in words is "one trillion, one hundred twenty billion, twenty-one thousand, two hundred twelve".