212354425554012 has 288 divisors, whose sum is σ = 667386932179968. Its totient is φ = 55615570762752.

The previous prime is 212354425554001. The next prime is 212354425554031. The reversal of 212354425554012 is 210455524453212.

212354425554012 is a `hidden beast` number, since 2 + 1 + 2 + 3 + 5 + 4 + 42 + 55 + 540 + 12 = 666.

It is a super-2 number, since 2×212354425554012² (a number of 29 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 5170888 + ... + 21247280.

It is an arithmetic number, because the mean of its divisors is an integer number (2317315736736).

Almost surely, 2^{212354425554012} is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 212354425554012, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (333693466089984).

212354425554012 is an abundant number, since it is smaller than the sum of its proper divisors (455032506625956).

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

212354425554012 is a wasteful number, since it uses less digits than its factorization.

212354425554012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16076529 (or 16076524 counting only the distinct ones).

The product of its (nonzero) digits is 1920000, while the sum is 45.

The spelling of 212354425554012 in words is "two hundred twelve trillion, three hundred fifty-four billion, four hundred twenty-five million, five hundred fifty-four thousand, twelve".