1206154944652 has 48 divisors (see below), whose sum is σ = 2449870520832. Its totient is φ = 508896178560.

The previous prime is 1206154944649. The next prime is 1206154944653. The reversal of 1206154944652 is 2564494516021.

It is a super-2 number, since 2×1206154944652² (a number of 25 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1206154944596 and 1206154944605.

It is not an unprimeable number, because it can be changed into a prime (1206154944653) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 913648 + ... + 1801960.

It is an arithmetic number, because the mean of its divisors is an integer number (51038969184).

Almost surely, 2^{1206154944652} is an apocalyptic number.

It is an amenable number.

1206154944652 is an abundant number, since it is smaller than the sum of its proper divisors (1243715576180).

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

1206154944652 is a wasteful number, since it uses less digits than its factorization.

1206154944652 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 889078 (or 889076 counting only the distinct ones).

The product of its (nonzero) digits is 2073600, while the sum is 49.

The spelling of 1206154944652 in words is "one trillion, two hundred six billion, one hundred fifty-four million, nine hundred forty-four thousand, six hundred fifty-two".