120000001212 has 144 divisors (see below), whose sum is σ = 383423814592. Its totient is φ = 30792960000.

The previous prime is 120000001153. The next prime is 120000001307. The reversal of 120000001212 is 212100000021.

It is a Harshad number since it is a multiple of its sum of digits (9).

120000001212 is a modest number, since divided by 1212 gives 1200 as remainder.

It is a junction number, because it is equal to n+sod(n) for n = 120000001194 and 120000001203.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 373789 + ... + 616212.

Almost surely, 2^120000001212 is an apocalyptic number.

120000001212 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

120000001212 is an abundant number, since it is smaller than the sum of its proper divisors (263423813380).

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

120000001212 is a wasteful number, since it uses less digits than its factorization.

120000001212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 990068 (or 990063 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 9.

Adding to 120000001212 its reverse (212100000021), we get a palindrome (332100001233).

The spelling of 120000001212 in words is "one hundred twenty billion, one thousand, two hundred twelve".