212115511480 has 16 divisors (see below), whose sum is σ = 477259900920. Its totient is φ = 84846204576.

The previous prime is 212115511477. The next prime is 212115511481. The reversal of 212115511480 is 84115511212.

It is a super-3 number, since 3×212115511480³ (a number of 35 digits) contains 333 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (212115511481) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2651443854 + ... + 2651443933.

Almost surely, 2^212115511480 is an apocalyptic number.

212115511480 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

212115511480 is an abundant number, since it is smaller than the sum of its proper divisors (265144389440).

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

212115511480 is a wasteful number, since it uses less digits than its factorization.

212115511480 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5302887798 (or 5302887794 counting only the distinct ones).

The product of its (nonzero) digits is 3200, while the sum is 31.

The spelling of 212115511480 in words is "two hundred twelve billion, one hundred fifteen million, five hundred eleven thousand, four hundred eighty".