1152020012 has 96 divisors (see below), whose sum is σ = 2517721920. Its totient is φ = 453841920.

The previous prime is 1152019987. The next prime is 1152020053. The reversal of 1152020012 is 2100202511.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 612818 + ... + 614694.

It is an arithmetic number, because the mean of its divisors is an integer number (26226270).

Almost surely, 2^1152020012 is an apocalyptic number.

It is an amenable number.

1152020012 is an abundant number, since it is smaller than the sum of its proper divisors (1365701908).

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

1152020012 is a wasteful number, since it uses less digits than its factorization.

1152020012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1971 (or 1969 counting only the distinct ones).

The product of its (nonzero) digits is 40, while the sum is 14.

The square root of 1152020012 is about 33941.4203002762. The cubic root of 1152020012 is about 1048.3026278193.

Adding to 1152020012 its reverse (2100202511), we get a palindrome (3252222523).

The spelling of 1152020012 in words is "one billion, one hundred fifty-two million, twenty thousand, twelve".