212154656356104 has 64 divisors (see below), whose sum is σ = 661261266570240. Its totient is φ = 55105105546560.

The previous prime is 212154656356091. The next prime is 212154656356157. The reversal of 212154656356104 is 401653656451212.

212154656356104 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 57401149764 + ... + 57401153459.

It is an arithmetic number, because the mean of its divisors is an integer number (10332207290160).

Almost surely, 2^{212154656356104} is an apocalyptic number.

212154656356104 is a gapful number since it is divisible by the number (24) formed by its first and last digit.

It is an amenable number.

212154656356104 is an abundant number, since it is smaller than the sum of its proper divisors (449106610214136).

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

212154656356104 is a wasteful number, since it uses less digits than its factorization.

212154656356104 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 114802303250 (or 114802303246 counting only the distinct ones).

The product of its (nonzero) digits is 5184000, while the sum is 51.

The spelling of 212154656356104 in words is "two hundred twelve trillion, one hundred fifty-four billion, six hundred fifty-six million, three hundred fifty-six thousand, one hundred four".