12533963970 has 32 divisors (see below), whose sum is σ = 32816197440. Its totient is φ = 3038536640.

The previous prime is 12533963957. The next prime is 12533963977. The reversal of 12533963970 is 7936933521.

It is not an unprimeable number, because it can be changed into a prime (12533963977) 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, 18990525 + ... + 18991184.

It is an arithmetic number, because the mean of its divisors is an integer number (1025506170).

Almost surely, 2^12533963970 is an apocalyptic number.

12533963970 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

12533963970 is an abundant number, since it is smaller than the sum of its proper divisors (20282233470).

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

12533963970 is a wasteful number, since it uses less digits than its factorization.

12533963970 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 37981730.

The product of its (nonzero) digits is 918540, while the sum is 48.

It can be divided in two parts, 12533 and 963970, that added together give a triangular number (976503 = T₁₃₉₇).

The spelling of 12533963970 in words is "twelve billion, five hundred thirty-three million, nine hundred sixty-three thousand, nine hundred seventy".