651012021033 has 16 divisors (see below), whose sum is σ = 947140012992. Its totient is φ = 394463808000.

The previous prime is 651012020983. The next prime is 651012021061. The reversal of 651012021033 is 330120210156.

It is not a de Polignac number, because 651012021033 - 2¹² = 651012016937 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 651012020994 and 651012021012.

It is not an unprimeable number, because it can be changed into a prime (651012021733) 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, 2074528 + ... + 2367633.

It is an arithmetic number, because the mean of its divisors is an integer number (59196250812).

Almost surely, 2^651012021033 is an apocalyptic number.

It is an amenable number.

651012021033 is a deficient number, since it is larger than the sum of its proper divisors (296127991959).

651012021033 is a wasteful number, since it uses less digits than its factorization.

651012021033 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4446616.

The product of its (nonzero) digits is 1080, while the sum is 24.

Adding to 651012021033 its reverse (330120210156), we get a palindrome (981132231189).

The spelling of 651012021033 in words is "six hundred fifty-one billion, twelve million, twenty-one thousand, thirty-three".