1206444656420 has 48 divisors (see below), whose sum is σ = 2667762397440. Its totient is φ = 457027358976.

The previous prime is 1206444656411. The next prime is 1206444656423. The reversal of 1206444656420 is 246564446021.

It is not an unprimeable number, because it can be changed into a prime (1206444656423) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 623624 + ... + 1673856.

It is an arithmetic number, because the mean of its divisors is an integer number (55578383280).

Almost surely, 2^{1206444656420} is an apocalyptic number.

1206444656420 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1206444656420 is an abundant number, since it is smaller than the sum of its proper divisors (1461317741020).

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

1206444656420 is a wasteful number, since it uses less digits than its factorization.

1206444656420 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1053284 (or 1053282 counting only the distinct ones).

The product of its (nonzero) digits is 1105920, while the sum is 44.

The spelling of 1206444656420 in words is "one trillion, two hundred six billion, four hundred forty-four million, six hundred fifty-six thousand, four hundred twenty".