135252147222612 has 288 divisors, whose sum is σ = 425084478873600. Its totient is φ = 35384932166400.

The previous prime is 135252147222607. The next prime is 135252147222623. The reversal of 135252147222612 is 216222741252531.

135252147222612 is a `hidden beast` number, since 1 + 3 + 5 + 2 + 5 + 2 + 1 + 4 + 7 + 2 + 22 + 612 = 666.

It is a super-2 number, since 2×135252147222612² (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, 119813314 + ... + 120936902.

Almost surely, 2^{135252147222612} is an apocalyptic number.

135252147222612 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 135252147222612, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (212542239436800).

135252147222612 is an abundant number, since it is smaller than the sum of its proper divisors (289832331650988).

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

135252147222612 is a wasteful number, since it uses less digits than its factorization.

135252147222612 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1124467 (or 1124462 counting only the distinct ones).

The product of its digits is 806400, while the sum is 45.

The spelling of 135252147222612 in words is "one hundred thirty-five trillion, two hundred fifty-two billion, one hundred forty-seven million, two hundred twenty-two thousand, six hundred twelve".