1202256122634 has 128 divisors (see below), whose sum is σ = 3065999040000. Its totient is φ = 342081460224.

The previous prime is 1202256122629. The next prime is 1202256122651. The reversal of 1202256122634 is 4362216522021.

1202256122634 is a `hidden beast` number, since 1 + 2 + 0 + 2 + 2 + 5 + 6 + 12 + 2 + 634 = 666.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 98953192 + ... + 98965340.

It is an arithmetic number, because the mean of its divisors is an integer number (23953117500).

Almost surely, 2^{1202256122634} is an apocalyptic number.

1202256122634 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 1202256122634, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1532999520000).

1202256122634 is an abundant number, since it is smaller than the sum of its proper divisors (1863742917366).

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

1202256122634 is a wasteful number, since it uses less digits than its factorization.

1202256122634 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13229 (or 13223 counting only the distinct ones).

The product of its (nonzero) digits is 69120, while the sum is 36.

The spelling of 1202256122634 in words is "one trillion, two hundred two billion, two hundred fifty-six million, one hundred twenty-two thousand, six hundred thirty-four".