1212746112 has 48 divisors (see below), whose sum is σ = 3489806580. Its totient is φ = 404248320.

The previous prime is 1212746111. The next prime is 1212746131. The reversal of 1212746112 is 2116472121.

1212746112 is a `hidden beast` number, since 1 + 21 + 27 + 4 + 611 + 2 = 666.

It is a tau number, because it is divible by the number of its divisors (48).

It is a super-2 number, since 2×1212746112² = 2941506264342233088, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1212746111) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 525214 + ... + 527517.

Almost surely, 2^1212746112 is an apocalyptic number.

1212746112 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1212746112 is an abundant number, since it is smaller than the sum of its proper divisors (2277060468).

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

1212746112 is a wasteful number, since it uses less digits than its factorization.

1212746112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1052751 (or 1052736 counting only the distinct ones).

The product of its digits is 1344, while the sum is 27.

The square root of 1212746112 is about 34824.5044760152. The cubic root of 1212746112 is about 1066.4077607735.

The spelling of 1212746112 in words is "one billion, two hundred twelve million, seven hundred forty-six thousand, one hundred twelve".