1450212219981 has 32 divisors (see below), whose sum is σ = 2457308954880. Its totient is φ = 828043622208.

The previous prime is 1450212219979. The next prime is 1450212220073. The reversal of 1450212219981 is 1899122120541.

1450212219981 is a `hidden beast` number, since 1 + 4 + 502 + 122 + 19 + 9 + 8 + 1 = 666.

It is not a de Polignac number, because 1450212219981 - 2¹ = 1450212219979 is a prime.

It is a super-2 number, since 2×1450212219981² (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1450212219961) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2762986 + ... + 3245691.

It is an arithmetic number, because the mean of its divisors is an integer number (76790904840).

Almost surely, 2^{1450212219981} is an apocalyptic number.

It is an amenable number.

1450212219981 is a deficient number, since it is larger than the sum of its proper divisors (1007096734899).

1450212219981 is a wasteful number, since it uses less digits than its factorization.

1450212219981 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6009970 (or 6009964 counting only the distinct ones).

The product of its (nonzero) digits is 103680, while the sum is 45.

The spelling of 1450212219981 in words is "one trillion, four hundred fifty billion, two hundred twelve million, two hundred nineteen thousand, nine hundred eighty-one".