1206401362254 has 144 divisors (see below), whose sum is σ = 2910763524240. Its totient is φ = 358101596160.

The previous prime is 1206401362223. The next prime is 1206401362273. The reversal of 1206401362254 is 4522631046021.

1206401362254 is a `hidden beast` number, since 1 + 2 + 0 + 6 + 40 + 1 + 362 + 254 = 666.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 170947494 + ... + 170954550.

It is an arithmetic number, because the mean of its divisors is an integer number (20213635585).

Almost surely, 2^{1206401362254} is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1206401362254, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1455381762120).

1206401362254 is an abundant number, since it is smaller than the sum of its proper divisors (1704362161986).

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

1206401362254 is a wasteful number, since it uses less digits than its factorization.

1206401362254 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7363 (or 7271 counting only the distinct ones).

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

The spelling of 1206401362254 in words is "one trillion, two hundred six billion, four hundred one million, three hundred sixty-two thousand, two hundred fifty-four".