212021077552 has 20 divisors (see below), whose sum is σ = 410801648976. Its totient is φ = 106007748800.

The previous prime is 212021077529. The next prime is 212021077553. The reversal of 212021077552 is 255770120212.

It is a super-2 number, since 2×212021077552² (a number of 23 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (212021077553) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 541677 + ... + 847027.

Almost surely, 2^212021077552 is an apocalyptic number.

It is an amenable number.

212021077552 is a deficient number, since it is larger than the sum of its proper divisors (198780571424).

212021077552 is a wasteful number, since it uses less digits than its factorization.

212021077552 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 348756 (or 348750 counting only the distinct ones).

The product of its (nonzero) digits is 19600, while the sum is 34.

Adding to 212021077552 its reverse (255770120212), we get a palindrome (467791197764).

The spelling of 212021077552 in words is "two hundred twelve billion, twenty-one million, seventy-seven thousand, five hundred fifty-two".