1206425012100 has 288 divisors, whose sum is σ = 4395000701952. Its totient is φ = 248203200000.

The previous prime is 1206425012071. The next prime is 1206425012141. The reversal of 1206425012100 is 12105246021.

It is a super-2 number, since 2×1206425012100² (a number of 25 digits) contains 22 as substring.

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, 2074555 + ... + 2591645.

It is an arithmetic number, because the mean of its divisors is an integer number (15260419104).

Almost surely, 2^{1206425012100} is an apocalyptic number.

1206425012100 is a gapful number since it is divisible by the number (10) 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 1206425012100, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2197500350976).

1206425012100 is an abundant number, since it is smaller than the sum of its proper divisors (3188575689852).

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

1206425012100 is a wasteful number, since it uses less digits than its factorization.

1206425012100 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 517227 (or 517220 counting only the distinct ones).

The product of its (nonzero) digits is 960, while the sum is 24.

The spelling of 1206425012100 in words is "one trillion, two hundred six billion, four hundred twenty-five million, twelve thousand, one hundred".