212453763270 has 64 divisors (see below), whose sum is σ = 582876504576. Its totient is φ = 48548678400.

The previous prime is 212453763259. The next prime is 212453763271. The reversal of 212453763270 is 72367354212.

It is a super-3 number, since 3×212453763270³ (a number of 35 digits) contains 333 as substring.

It is a Harshad number since it is a multiple of its sum of digits (42).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (212453763271) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 725842 + ... + 975578.

It is an arithmetic number, because the mean of its divisors is an integer number (9107445384).

Almost surely, 2^212453763270 is an apocalyptic number.

212453763270 is an abundant number, since it is smaller than the sum of its proper divisors (370422741306).

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

212453763270 is a wasteful number, since it uses less digits than its factorization.

212453763270 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 253805.

The product of its (nonzero) digits is 423360, while the sum is 42.

The spelling of 212453763270 in words is "two hundred twelve billion, four hundred fifty-three million, seven hundred sixty-three thousand, two hundred seventy".